Throughout the history of the world, many civilizations have risen and fallen.
You may be familiar with the achievements of prominent societies like the Romans, Mongols, or Babylonians, but how do all of their stories intertwine over time and geography?
Visualizing the History of the World
Today’s video comes to us from Ollie Bye, and it attempts to integrate the histories of all major civilizations known by historians into a single, epic video.
Similar to the Histomap, it’s pretty much impossible for a video like this to be perfect due to biases and a general lack of data. However, it’s still a compelling attempt at showing global history in a short and sweet fashion.
Let’s look at some specific moments on the video that particularly stand out.
750 AD: The Umayyad Caliphate
One of the largest empires in history, the Umayyad Caliphate peaked sometime around 750 AD.
Conquering most of North Africa, the Middle East, and even parts of Europe (including modern-day Spain, Portugal, and France), the Umayyads commanded a formidable territory with an area of 11,100,000 km² (4,300,000 sq. mi) and encompassing 33 million people.
1279: Mongol Dominance
No history of the world is complete without a mention of the Mongols.
Nearby societies have always been on edge when nomadic tribes in the Eurasian Steppe entered into organized confederations. Similar to the Huns or various Turk federations, the Mongols were known for their proficiency with horses, bows, and tactics like the feigned retreat.
Under the leadership of Temüjin — also known as Genghis Khan — the Mongols conquered one of the largest empires by land.
The empire reached its greatest extent just two years after the death of Genghis Khan.
Later on, it fragmented into smaller empires that were also quite notable in the context of world history. For example, Kublai Khan — the grandson of Genghis Khan — even went on to begin the influential Yuan Dynasty in China.
1346: The Black Death
The video also shows other vital stats, such as an estimate of global population through the ages.
In the mid-14th century, you can see this number take a rare U-turn, as millions of people die from the infamous and deadly Bubonic Plague.
The Black Death — one of the most devastating pandemics in the history of the world — hit Europe in 1346, and it eventually killed 30-60% of the continent’s population. There is no exact figure on the final death toll, but historians estimate it to be somewhere between 75 and 200 million people throughout Eurasia.
1418: The Age of Discovery
The video also provides a 10,000-foot view of the Age of Discovery, a period of time in which European powers explored the world’s oceans.
This colonial period marks the beginning of globalization, creating wide-ranging impacts that set the stage for more modern history.
In the video, it’s possible to see European colonies develop in all parts of the world, as well as how they eventually morphed into the countries that dot the globe today.
Playing the History Game
While it is certainly ambitious, not everyone will agree that this is a successful attempt at portraying world history – even in the limited scope of time allotted.
One key detail that seems to be missing, for example, is showing the development of the indigenous societies that existed in North America for thousands of years. That said, it’s also not clear what data and records are available to show these maps over many centuries of time.
Despite the possible flaws, the video does pack a lot of information into a short period of time, creating a compelling opportunity for learning and discussion. Like the Histomap, it may not be a definitive history of the world – but instead, it’s a useful attempt that stimulates our appetite for more information about the world and the societies that inhabit it.
What is a Commodity Super Cycle?
The prices of energy, agriculture, livestock and metals tell the story of human development. Learn about the commodity super cycle in this infographic.
Visualizing the Commodity Super Cycle
Since the beginning of the Industrial Revolution, the world has seen its population and the need for natural resources boom.
As more people and wealth translate into the demand for global goods, the prices of commodities—such as energy, agriculture, livestock, and metals—have often followed in sync.
This cycle, which tends to coincide with extended periods of industrialization and modernization, helps in telling a story of human development.
Why are Commodity Prices Cyclical?
Commodity prices go through extended periods during which prices are well above or below their long-term price trend. There are two types of swings in commodity prices: upswings and downswings.
Many economists believe that the upswing phase in super cycles results from a lag between unexpected, persistent, and positive trends to support commodity demand with slow-moving supply, such as the building of a new mine or planting a new crop. Eventually, as adequate supply becomes available and demand growth slows, the cycle enters a downswing phase.
While individual commodity groups have their own price patterns, when charted together they form extended periods of price trends known as “Commodity Super Cycles” where there is a recognizable pattern across major commodity groups.
How can a Commodity Super Cycle be Identified?
Commodity super cycles are different from immediate supply disruptions; high or low prices persist over time.
In our above chart, we used data from the Bank of Canada, who leveraged a statistical technique called an asymmetric band pass filter. This is a calculation that can identify the patterns or frequencies of events in sets of data.
Economists at the Bank of Canada employed this technique using their Commodity Price Index (BCPI) to search for evidence of super cycles. This is an index of the spot or transaction prices in U.S. dollars of 26 commodities produced in Canada and sold to world markets.
- Energy: Coal, Oil, Natural Gas
- Metals and Minerals: Gold, Silver, Nickel, Copper, Aluminum, Zinc, Potash, Lead, Iron
- Forestry: Pulp, Lumber, Newsprint
- Agriculture: Potatoes, Cattle, Hogs, Wheat, Barley, Canola, Corn
- Fisheries: Finfish, Shellfish
Using the band pass filter and the BCPI data, the chart indicates that there are four distinct commodity price super cycles since 1899.
The first cycle coincides with the industrialization of the United States in the late 19th century.
The second began with the onset of global rearmament before the Second World War in the 1930s.
The third began with the reindustrialization of Europe and Japan in the late 1950s and early 1960s.
- 1996 – Present:
The fourth began in the mid to late 1990s with the rapid industrialization of China
What Causes Commodity Cycles?
The rapid industrialization and growth of a nation or region are the main drivers of these commodity super cycles.
From the rapid industrialization of America emerging as a world power at the beginning of the 20th century, to the ascent of China at the beginning of the 21st century, these historical periods of growth and industrialization drive new demand for commodities.
Because there is often a lag in supply coming online, prices have nowhere to go but above long-term trend lines. Then, prices cannot subside until supply is overshot, or growth slows down.
Is This the Beginning of a New Super Cycle?
The evidence suggests that human industrialization drives commodity prices into cycles. However, past growth was asymmetric around the world with different countries taking the lion’s share of commodities at different times.
With more and more parts of the world experiencing growth simultaneously, demand for commodities is not isolated to a few nations.
Confined to Earth, we could possibly be entering an era where commodities could perpetually be scarce and valuable, breaking the cycles and giving power to nations with the greatest access to resources.
Each commodity has its own story, but together, they show the arc of human development.
Ranking the World’s Most Populous Cities, Over 500 Years of History
This two-minute animation shows changes in the last 500 years of historical rankings for the world’s 10 most populous cities.
Animation: The Most Populous Cities, Over 500 Years
What do Beijing, Tokyo, Istanbul, London, and New York City all have in common?
Not only are they all world-class cities that still serve as global hubs of commerce, but these cities also share a relatively rare and important historical designation.
At specific points in history, each of these cities outranked all others on the planet in terms of population, granting them the exclusive title as the single most populated city globally.
Ranking the World’s Most Populous Cities
Today’s animation comes to us from John Burn-Murdoch with the Financial Times, and it visualizes cities ranked by population in a bar chart race over the course of a 500-year timeframe.
Beijing starts in the lead in the year 1500, with a population of 672,000:
|Rank||City||Population in Year 1500|
In the 16th century, which is where the animation starts, cities in China and India were dominant in terms of population.
In China, the cities of Beijing, Hangzhou, Guangzhou, and Nanjing all made the top 10 list, while India itself held two of the most populous cities at the time, Vijayanagar and Gauda.
If the latter two names sound unfamiliar, that’s because they were key historical locations in the Vijayanagara and Bengal Empires respectively, but neither are the sites of modern-day cities.
The 1 Million Mark
For the first minute of animation—and up until the late 18th century—not a single city was able to eclipse the 1 million person mark.
However, thanks to the Industrial Revolution, the floodgates opened up. With more efficient agricultural practices, better sanitation, and other technological improvements, cities were able to support bigger populations.
Here’s a look at the biggest cities in the year 1895:
|Rank||City||Population in Year 1895|
|#2||🇺🇸 New York||3,712,000|
|#6||🇷🇺 St. Petersburg||1,286,000|
In the span of roughly a century, all of the world’s biggest cities were able to pass the 1 million mark, making it no longer a particularly exclusive milestone.
Modern City Populations
Finally, let’s look at the modern list of the top 10 most populous cities, and see how it compares to rankings from previous years:
|Rank||City||Population in Year 2018|
|#6||🇧🇷 Sao Paulo||21,698,000|
|#7||🇲🇽 Mexico City||21,520,000|
|#10||🇺🇸 New York City||18,713,000|
Interestingly, the modern list appears to be a blend of both previous rankings from the years 1500 and 1895, listed above.
In 2018, cities from China and India feature prominently, but New York City and Tokyo are also included. Meanwhile, Latin America has entered the fold with entries from Mexico and Brazil.
The Future of Megacities
If you think the modern list of the most populous cities is impressive, check out how the world’s megacities are expected to develop as we move towards the end of the 21st century.
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