What Were the First Units of Measurement?

  • Old rulers and measuring tools
Old rulers and measuring tools
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The use of measurements has become such an indispensable part of everyday existence that it’s virtually invisible. We check the clock to determine how much time we have before running out the door. We put on clothes that are generally tailored to our bodily dimensions. We measure out a cup for our favorite recipe, run a mile for our daily exercise, or tell the barber to take an inch off the top. And these basic actions don’t even touch on the immense calculations behind the machinery that powers our phones, computers, homes, and vehicles. 

It’s difficult to imagine life without these widely accepted designations to provide order to our actions. Indeed, it was in large part the consolidation of disparate measurements within the earliest human communities and villages that enabled the world’s first great cities and nations to take shape. From Babylonian minas to Egyptian cubits, here are some of those earliest known units of measurements.

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Prehistoric People Formed Primitive Measuring Devices

There’s evidence that our prehistoric ancestors used tools to fashion rudimentary measurement systems. The 40,000-year-old Lebombo bone and the 20,000-year-old Ishango bone are two such examples. Unearthed in Africa, both are notched at regular intervals to indicate functionality as a ruler, and the latter bone was possibly also used to track lunar cycles.

Some of the earliest measurement systems began to coagulate around the Neolithic people who settled in Mesopotamia. Clay tokens used to mark possessions and transactions appeared as far back as 7500 BCE, and these eventually morphed into the cuneiform indentations that appeared around 3500 BCE and were largely used for accounting purposes. While the Sumerians of this era developed a complex counting system, by around 3100 BCE it had been simplified into the base-60 sexagesimal system (60 seconds in a minute, 60 minutes in an hour, 360 degrees in a circle, and so on) that went on to enable developments in timekeeping and astronomy. 

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Which Came First: Wine or Beer?

  • Glasses of beer and red wine
Glasses of beer and red wine
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Whether you’re enjoying a glass of cabernet with a meal or downing IPAs with friends, you’re taking part in the multifaceted, multicultural act of alcohol consumption that dates back many thousands of years.

Indeed, although the dangers of excessive drinking are well known, and even small amounts of alcohol are now believed to come with health risks, imbibing has been part of the fabric of human existence since the dawn of recorded time. Some anthropologists argue that alcohol featured prominently in social customs that facilitated the rise and progression of civilizations. Others suggest that civilization itself was formed as a result of people settling in one area to domesticate crops for the production of alcohol.

Because spirits such as whiskey or vodka involve a more complex distillation process, beer and wine (and wine’s less-prominent cousin, mead) are the earliest forms of alcohol, left over from a time before any of humanity’s famous names, wars, or inventions etched themselves into history. Which sets up the ultimate bar debate: Which of these two ancient libations is older?

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Early Humans Likely Discovered Alcohol by Accident

To let some of the air out of the suspense, we’ll note that it’s difficult to pinpoint when people first began drinking wine or beer, since proto-versions of both drinks can be formed with little to no human intervention.

Ethanol, or drinking alcohol, is created through the fermentation process that takes place when sugar meets yeast. In the case of beer, that occurs when a grain such as barley is exposed to moisture and its starches are converted into sugar, priming this component for catalyzation by deliberately introduced or naturally appearing yeast. Similarly, crushed or even overripe fruits with high sugar content including grapes or figs will naturally begin to ferment, creating the basis for wine.

It’s likely that early humans (or even animals) stumbled upon the intoxicating effects of fermented grains and fruits, and maybe even figured out how to replicate the experience by leaving their collected wares out in the elements for too long. We can only speculate on the concoctions that may have been experimentally produced by pre-Neolithic people, although they were almost certainly different from the beers and wines that emerged under more controlled conditions in later epochs.

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What Is the World’s Oldest Story?

  • Inscribed “Epic of Gilgamesh” tablet
Inscribed “Epic of Gilgamesh” tablet
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Whether relayed by way of a novel, poem, movie, or word of mouth, stories have served as a means of connecting people through shared experiences and emotions since we first learned to communicate with one another.

Some of the most famous stories have endured for hundreds or thousands of years. William Shakespeare penned his celebrated plays in the 16th and 17th centuries. Beowulf was written several hundred years before that, while the Iliad and Odyssey epics push back even further into the first millennium BCE.

And yet there are even older and far more obscure examples of storytelling that won’t turn up in a college literature course. Which inspires the question: How far back do we need to travel to find the world’s oldest story?

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The “Epic of Gilgamesh” Is the Oldest Surviving Written Tale

The ancient Sumerian Epic of Gilgamesh is often cited as the oldest known surviving story. This epic poem tells the tale of King Gilgamesh, the part-divine ruler of the ancient city of Urek, who battles terrible monsters sent forth by spiteful gods and seeks out a plant that brings eternal youth. Derived from sources that date back to approximately 2100 BCE, the first full version of Gilgamesh appeared on cuneiform tablets early the following millennium.

But while this would be an early example of a story that could be held and read, it’s more accurate to refer to Gilgamesh as the oldest known work of narrative literature. If you consider visual art capable of telling a story, then there are plenty of surviving creations that predate the written word.

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How Were the Egyptian Pyramids Built?

  • Engraving of the Pyramids of Giza
Engraving of the Pyramids of Giza
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Ancient Egypt was home to more than 100 pyramids, many of which still stand today. One of the oldest monumental pyramids in Egypt, the Step Pyramid of Djoser, was built sometime between 2667 BCE and 2648 BCE and began a period of pyramid construction lasting more than a thousand years. The most famous monuments are found at the Giza complex, home to the Great Pyramid, the Pyramid of Khafre, and the Pyramid of Menkaure, all built during the Fourth Dynasty around 2600 to 2500 BCE — the golden age of ancient Egypt.

The Egyptian pyramids stand as one of humanity’s most remarkable architectural achievements, and their incredible precision and massive scale have confounded researchers for centuries. Despite numerous theories and extensive archaeological research, the exact methods of their construction remain a subject of scholarly debate. How did ancient Egyptians erect pyramids using millions of massive blocks weighing as much as 2.5 tons each? And how, more specifically, did they move those blocks up the superstructure? 

To this day, there is no known historical or archaeological evidence that resolves the question definitively. While popular speculation often veers into fantastical explanations — yes, including aliens — serious historians and archaeologists have given much thought as to how these monumental structures might have been erected using the technological capabilities of the time. Here are three of the most likely construction theories. 

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The Herodotus Machine

The first historical account of the construction of the pyramids came from the ancient Greek historian Herodotus in the fifth century BCE. In his Histories, he wrote that the Great Pyramid took 20 years to build and demanded the labor of 100,000 people. Herodotus also wrote that after laying the stones for the base, workers “raised the remaining stones to their places by means of machines formed of short wooden planks. The first machine raised them from the ground to the top of the first step. On this there was another machine, which received the stone upon its arrival and conveyed it to the second step,” and so on. 

These “Herodotus Machines,” as they later became known, are speculated to have used a system of levers or ropes (or both) to lift blocks incrementally between levels of the pyramid. Egyptian priests told Herodotus about this system — but it’s important to note that this was a long time after the construction of the Great Pyramid, so neither the priests nor Herodotus were actual eyewitnesses to its construction. It is certainly feasible, however, that the machines he described may have been used, either by themselves or, more likely, in conjunction with other methods.

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What Were the Earliest Hotels Like?

  • Maids Head Hotel in Norwich
Maids Head Hotel in Norwich
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Whether we’re checking into a five-star resort or a shack with a roof and cable TV off the interstate, we all expect a base level of service for a stay at a hotel. Of course, this is a luxury that comes with 21st-century lodging. Amenities such as running water, clean sheets, and free coffee are taken for granted nowadays, but they certainly weren’t the industry standard in the early days of hospitality.

Given that it’s easier to enjoy the view from our comfy modern chairs, let’s take a look at the rise of this form of transitory housing in various parts of the world, and revisit what it was like for guests to experience the earliest hotels.

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Caravanserai of the Middle East 

As ancient civilizations flourished in the modern-day Middle East, it ignited the spread of trade routes into Asia and Europe, and with that development came the need for lodging to shelter travelers who were on the road for weeks to months at a time.

As described in Elaine Denby’s Grand Hotels: Reality and Illusion, these early shelters populated the regular paths at frequent enough intervals to accommodate travelers, who often covered 15 to 20 miles in a single day. Known by such names as caravanserai, khan, or han, these mud-brick buildings typically provided guests with beds, stables, and a well or cistern for drinking water, although food was not necessarily part of the arrangement.

A more elaborate and still-standing example of caravanserai is the Ribat-i Sharaf in modern-day Iran. Built in the 12th century, this fortified complex boasted an inner and outer courtyard, a mosque, and detailed stucco decoration, rendering it suitable for royals and government officials.

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5 Gladiators Who Deserve Their Own Movie

  • Commodus at the Colosseum
Commodus at the Colosseum
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The first known gladiator competition in ancient Rome occurred in 264 BCE at the funeral of Brutus Pera, where three sets of combatants fought to the death. Before long, gladiator fights became extremely popular among the Roman public and were treated as entertaining spectacles despite the brutal violence displayed. 

As the sport gained popularity, the number of gladiators grew, peaking in the year 107 CE when the Roman Emperor Trajan welcomed around 5,000 pairs of gladiators to perform during a 123-day series of celebrations throughout the city of Rome. Many of these battles took place at the Colosseum, which was built between 70 and 72 CE, and served as the site for the grandest gladiatorial contests. But there were also various smaller arenas and amphitheaters throughout the Roman Empire that played host to these competitions. 

The gladiators of ancient Rome came from all kinds of backgrounds; some participated for the thrill of the sport and to earn the adoration of their fellow Romans, though most were enslaved people or prisoners fighting for their freedom. But regardless of social standing, successful fighters were often considered heroes throughout Roman society. While most of these gladiators have been forgotten to the annals of history, a few warriors are still known by name and discussed today. In honor of the 2024 release of Ridley Scott’s Gladiator II, the sequel to his Oscar-winning 2000 film Gladiator, here are five famous real-life Roman fighters who deserve their own movies.

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Spartacus

Spartacus is the one gladiator on this list who already has his own movie, the eponymous 1960 film starring Kirk Douglas. That’s in part because Spartucus’ fame came not from his success in the arena, but from leading a major revolt of enslaved people against the Roman Republic from 73 to 71 BCE. 

The details of Spartacus’ early life are murky. Some historians suspect he served as a soldier before abandoning the Roman army,  and was later caught, sold into slavery, and sent to a Capuan gladiatorial training school. Spartacus never fought gladiatorial fights in the Colosseum, which wasn’t built until nearly 150 years after his death. Instead, he fought most of his battles with fellow trainees — that is, until he and around 70 fellow students escaped gladiatorial school and fled to take refuge on nearby Mount Vesuvius.

As leader of this new rebel alliance, Spartacus led raids against his former oppressors, pillaging various locations throughout the Roman countryside. His exploits attracted the attention of other escaped enslaved people, who went to Mount Vesuvius to join the rebellion, and in time, the group eclipsed 90,000 members. The guerrilla attacks continued, and the conflict became known as the Third Servile War, or Gladiatorial War. Spartacus and his men traveled across the Roman Empire amassing victory after victory, fighting against the oppressive rule that had forced them into slavery. These revolts came to an end in 71 BCE at a battle roughly 35 miles southeast of Naples, Italy, the likely location of Spartacus’ death. 

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How Did the Romans Represent Zero?

  • The number zero
The number zero
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The origins of zero as a mathematical symbol — and concept — are fascinating. As early as 5,000 years ago in ancient Mesopotamia, Sumerian scribes used a slanted double wedge between cuneiform symbols to denote the absence of a number. In the third century BCE, the Babylonians developed a numerical system based on values of 60 and used a symbol of two small wedges to differentiate between tenths, hundredths, and thousandths. Around the fourth century CE, the Maya independently developed their own symbol to represent zero on their calendar. But each of these early systems only recognized the symbolic zero as a placeholder, not as a unique number with its own properties and value.

It was around the fifth century CE that mathematicians in India first formalized the use of zero as both a placeholder and a number with intrinsic value, using a small dot to signify zero. This innovation spread through Islamic scholars, who refined the concept and integrated it into advanced calculations and algebra. It wasn’t until the 12th century that this zero reached Europe, transforming mathematics by making complex calculations possible. Given this was several decades after the fall of the Roman Empire, it begs the question: What did the Romans do without zero?

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The Roman Numeral System Didn’t Have Zero

In contrast to other ancient cultures, the Romans — whose numerical system was constructed quite differently — had no mathematical symbol for zero. Roman numerals relied on seven specific symbols for values: I (1), V (5), X (10), L (50), C (100), D (500), and M (1,000), which were stacked next to each other to represent all other numbers, usually through addition. For example, XII represents 12 (10 + 1 + 1). Subtraction was used as well, though it wasn’t common until the Middle Ages. This was done by placing a smaller numeral before a larger one; for example, IX represents 9 (10 – 1). Simple arithmetic such as addition and subtraction was done on a counting board known as an abacus, and the value of “none” could be represented on the tool by an empty row.

The Romans did not have a symbol for zero in mathematical computations because they didn’t need it — but they did need a way to denote the absence of a quantity, such as in record-keeping. In these cases, the Latin words nulla or nihil, meaning “none” or “nothing,” served as linguistic placeholders and were abbreviated using N. These words, however, had no mathematical function; they were simply an expression of emptiness rather than part of the formal numerical system. This convention shows that Romans recognized the practical need to denote “nothing” even while they lacked the abstract mathematical understanding of zero as its own number.

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The Story of Alexander the Great, in 6 Facts

  • Mosaic of Alexander the Great
Mosaic of Alexander the Great
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In 356 BCE, in the city of Pella, the ancient capital of Macedonia, a baby boy was born to the king of Macedon, Philip II, and his fourth wife, Olympias. Philip celebrated the arrival of his first son and future heir, but not even the proud king could have imagined how far the boy, Alexander, would go. 

King Philip II had already overseen the reformation of the Macedonian army, with the establishment of the phalanx infantry formation (a dense line of soldiers standing shoulder to shoulder) and the brutally effective use of long sarissa pikes and siege engines. But it was Alexander, who succeeded to the throne at just 20 years old following his father’s assassination, who took this fearsome force to a whole new level. He engaged in military campaigns against the Greeks and then the Persians, and in little over a decade had conquered most of the known world — all before his sudden death at age 32. 

Here are six facts about Alexander III of Macedon, more commonly known as Alexander the Great, a man widely considered the greatest and most successful military commander in history. 

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Aristotle Was Alexander’s Teacher

As the son of royalty and heir to the throne, Alexander was expected to receive a fine and princely education. But Alexander’s schooling went above and beyond: His teacher was none other than Aristotle, one of the greatest philosophers who ever lived. The famed scholar was summoned by King Philip II around 343 BCE, when Alexander was 13 years old. Aristotle tutored Alexander on a wide range of subjects, including philosophy, ethics, science, and the arts, in an attempt to create an enlightened monarch who would rule in a fair and just manner — something arguably lost on Alexander in later years, as his military leadership increasingly veered toward megalomania

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7 Roman Emperors Everyone Should Know

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Bust of Augustus
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Although Rome reached the pinnacle of its power and influence during the imperial era, which stretched from approximately 27 BCE to 476 CE, it wasn’t always easy for emperors during this period to run a tight ship. Not only did these imperial rulers endure threats from both hostile invaders and supposed allies who secretly plotted to gain power for themselves, but they also faced the myriad challenges of maintaining order among the disparate cultures of an empire that touched three continents and encompassed nearly 1.7 million square miles at its peak.

While some emperors succumbed to the pressures of the job and the temptation of corruption, others proved to have the vision and mettle to adjust as needed and propel the empire forward for the next generation. Here are seven Roman emperors who excelled in the role, helping ensure that the memory of Rome would endure for posterity.

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Augustus (27 BCE-14 CE)

Although Julius Caesar proclaimed himself supreme leader in the dying days of the Roman Republic, it was his grandnephew and adopted son Augustus who marked a new era as Rome’s first emperor. Rich from the spoils of victory over Cleopatra’s Egypt, Augustus embarked on a building program that included necessary projects such as new roads and aqueducts, as well as awe-inspiring marvels including the Temple of Apollo Palatinus and the Theater of Marcellus. He also founded a postal system, installed a police and firefighting force, and secured the ever-expanding empire’s borders by establishing a standing army. While his boast of having transformed Rome from a city of clay to one of marble was hyperbole, it’s no exaggeration to say that Augustus’ impressive 40-year rule kick-started the two-century period of prosperity known as the Pax Romana, or “Roman Peace.”

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What Did Ancient Romans Eat?

  • Ancient Roman feast
Ancient Roman feast
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The mere mention of ancient Rome conjures up a multitude of powerful images: the assassination of Julius Caesar, legionaries marching in perfect unison, the alliance of Mark Antony and Cleopatra, gladiators fighting in the Colosseum. It was a time of power and conquest, of low scheming and high culture. It was also a time of feasting — something the Romans were known for, especially during Bacchanalia festivals, in which food and wine would flow with fervor. But what exactly did the Romans eat? Here are some of the most common foodstuffs that fed the hungry denizens of the Roman Empire. 

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Bread and Porridge

Cereal grains, particularly wheat and oatmeal, were part of almost every meal in ancient Rome. These grains were typically used to make bread, biscuits, or porridge, and were eaten by the common folk, the upper crust, and soldiers in the Roman army. Roman porridge recipes survive to this day, including one in Cato the Elder’s De Agri Cultura, a treatise on agriculture written around 160 BCE, which happens to be the oldest remaining complete work of prose in Latin. The simple recipe, which isn’t dissimilar to modern counterparts, suggests soaking wheat in boiling water before adding milk to create a thick gruel — a staple dish that anyone in Rome could have prepared. 

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