Timelines

The 20 Largest Cities in the World from 2800 BC to 2100 AD

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Let’s take a incredible journey through history to see the world’s largest cities over time with this animated visualization. This video, created by CityGlobeTour on YouTube, reveals the 20 largest cities in the world at any given moment throughout history from 2800 BC to 2100 AD. Hit play to live through the rise and fall of nearly every civilization of human history.

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Starting in the year 2800 BC, the largest city by population was Uruk, Iraq. At a population of 80,000 people, Uruk had double the number of the next largest city which was also located in Iraq, the city of Larak; which had a population of 40,000. Out of the 14 cities listed in the year 2800, ten are located in Iraq, three are in Syria and one is in Iran. By 2500 BC, Uruk’s population is still the largest however it has shrunk to just over 46,000 people and the city of Mari in Syria has moved up the list with a population of 43,853. Just a few hundred years before in 2730 BC, the city of Mari had a population of just 13,797. Jumping even further to 2000 BC the moving chart shows that Egypt and Pakistan are added to the mix and in 1930 BC the city of Memphis Egypt jumps into the number one spot with a population of 56,517. It isn’t until the year 1660 BC that China pops up on the list and very quickly jumps to the top four largest with the city of Erlitou, population of 39,813. In 1500 BC Greece has had a boom in the city of Knossos, population of 42,857. It isn’t until the year 1300 BC that a city has a population of more than 100 thousand. Thebes (Luxor) in Egypt tops the list with 100,726 people in the city. As you can see, this animated bar graph is super interesting, and spoiler alert: it gets even more interesting! As you continue your way through the animation, you’ll notice the US first appear in the year 1834 with New York City’s population of 255,797!

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Timelines

Visualizing How Big AT&T, Verizon, and T-Mobile Have Become

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We love graphs that make huge scale business deals easy to digest and understand. This chart is a great example, showing us a timeline of major telecommunications deals and mergers. As we follow the path of the telecom world through the timeline, we see that there was once a wealth of cellphone carrier options. Today, this isn’t the case. We’re down to three major cellphone carrier options. These are: AT&T, Verizon, T-Mobile. We have a visualization of what exactly happened to all these companies that used to be household names.

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att-verizon-tmobile-acquisitions-chartistry

One example we can see is the fate of Mint Mobile. A lot of people recognize this name because Hollywood superstar Ryan Reynolds was their spokesperson. T-Mobile made a lucrative deal to acquire Mint in 2023 and luckily for the company, Ryan Reynolds agreed to remain a spokesperson.

Out of all the companies, AT&T is the most successful with the most subscribers. But there is a thing as too much success. Because the competition for telecommunication has shrunk over the past few decades, the US Justice Department has intervened and investigated multiple big deals that may have breached monopoly laws. This happened when AT&T had to abandon their planned merger with T-Mobile. With only two major players left in the market, they would have violated monopoly laws. T-Mobile’s merger with Sprint also came under fire, but was ultimately allowed to go through. Many of these mergers are worth millions and billions, so we think graphs like these showing the trajectory of a whole industry are fascinating!

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Timelines

Visualizing the Gender Pay Gap Over Time

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Data can be the key to exposing injustices in society. These graphs are a strong example of that. They examine the pay gap between men and women ever since the introduction of the Equal Pay Act. This legislation was supposed to eliminate the gap entirely, but we can see from the graphs that even sixty years later, the gap still exists. There has been some improvement. In the 60’s the pay gap was $0.61 to the man’s dollar and we’re now up to $0.84 to a man’s dollar in 2022. Graphs like this make it clear when we still have work to do:

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gender-pay-gap-over-time-chartistry

The Equal Pay Act was introduced to give workers of all kinds more rights. It covered child labor as well as the gender-based wage gap. Following the timeline displayed, we can see that it certainly had an effect on the wage gap, but it didn’t close it entirely, and change came slowly. It’s no coincidence that this came about in the 1960s since previously, it was uncommon for women to work outside the home. When they did, they were limited to roles like nursing, teaching, and secretarial positions. The feminist movement of the 60s helped millions of women enter the workforce, but it was clear right away they wouldn’t be treated the same as their male coworkers. We love how the data presents a detailed picture of this issue. You can see comparisons by the dollar and by yearly salary. In both cases, women consistently lag behind for no discernible reason other than their gender. Using calculations based on all this data, we can predict that if change continues at this rate, the gap won’t close for another few decades. We hope visualizations like this can help inspire faster change!

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Timelines

This Timeline Shows The Most Famous Instances of Brand Names Becoming Everyday Words

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Google it! This is perhaps one of the most abundant examples of a brand name evolving into an everyday word. The cultural phenomena of brand names gradually becoming a part of the vernacular and losing their trademarks has been happening since kerosene was trademarked in 1854 by Nova Scotia geologist and inventor Abraham Gesner. Over time, other manufacturers began putting their brand on kerosene. This is known as genericide. Intense name indeed. The team at LLC Attorney has created this fun and vibrant timeline of brand names that became everyday words. I learned a lot, and I hope you do too!

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brand-names-words-timeline-chartistry

I had no idea about a lot of these, especially linoleum! Linoleum is believed to be one of the first brand names to transform into an everyday word. The brand name ‘Linoleum’ was first introduced by inventor Frederick Walton in 1864. After five years of extensive advertising, his product began sweeping across Europe and beyond. In 1878, he filed a lawsuit for trademark infringement against another flooring manufacturer that began using the Linoleum name in America. Unfortunately for Walton, the court dismissed the lawsuit because he had never trademarked the brand name and linoleum had become so widely used that it had become a generic term. Talk about flooring the competition! Other examples that surprise me are ping pong, yo-yo, dry ice, and heroin! Heroin was the name of a morphine-derived drug created and trademarked by Bayer in 1898. They lost the trademark to genericide by 1917.

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