Top interesting facts about the world over 100 years ago

Many interesting events and surprises about the world over 100 years ago surprised many people.

In 1900, the population in Las Vegas was only 22 people.By 1910, the population in Las Vegas increased to 800 people.2,304 people are Las Vegas residents in 1920. Through these figures, it shows that the growth rate of people living in Las Vegas is quite fast.It is now one of the busiest and most famous cities in America.This is one of the surprises about the world over 100 years ago.

In 1910, more than 14,000 American prisoners were imprisoned for being sentenced to murder level 1 or to kill people at level 2.

More than 95% of pregnant women give birth at home in 1915. At that time, home births were extremely popular in countries around the world.

Only about 8% of families installed phones in 1915.

In 1900, the average life expectancy of American men was 48.3 years.Meanwhile, the average life expectancy of American women is 51.1 years.

During World War 1, the Eiffel Tower played an important role, especially during the Battle of Marne in 1914. At that time, when standing from the top of the Eiffel Tower, people could send signals to direct the French army from where front line.By 1915, the Eiffel Tower was the tallest man-made building in the world and held this record until 1930.

According to statistics, less than half of the US population lives in cities and cities.Currently, the proportion of people living in cities is up to 80%.

It was not until 1931 that the United States had the official national anthem with the name "Sparkling Star Flag".

In 1915, the top three causes of death in the United States were heart disease, pneumonia / influenza and tuberculosis.

According to statistics, in 1870, about 20% of the US population could not read or write.By 1900, this rate dropped to 7.7%.