How many years ago was 1900?

How long ago was 1900?

To put into perspective how long ago 1900 was:

• Everyone who was born in 1900 has since passed away.
• Twelve decades have passed since then.
• The telephone was a relatively new piece of technology.
• Many families in the United States didn't have electricity yet.
• The Moon is moving away from Earth at roughly 1.49 inches per year. That means that it has moved away by about 185 inches since 1900.
• There have been roughly 6,448 weekends since then.
• Cars were extremely uncommon.
• Airplanes did not exist.
• Women were not allowed to vote in the United States.
• Arizona wasn't a part of the United States.
• The Earth has travelled 558 billion miles through space since 1900.
• Hair dryers weren't a thing yet.
• Sliced bread wasn't the norm.
• Due to the expansion of the Atlantic Ocean, the distance between the United States and Europe has grown 3 meters since 1900.
• Nobody had air conditioning.