How many years ago was 1921?

How long ago was 1921?

To put into perspective how long ago 1921 was:

• The vast majority of people born in 1921 have passed away.
• Ten decades have passed since then.
• Television did not exist at the time. Back then, radio was the medium of choice.
• The First World War had only ended two years previously.
• 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 153 inches since 1921.
• There have been roughly 5,356 weekends since then.
• Alcohol was illegal in the United States due to prohibition.
• Women were not allowed to vote in the United Kingdom.
• Ireland was still a part of the United Kingdom.
• The Earth has travelled 464 billion miles through space since 1921.
• People were using rotary phones.
• Kitchens did not have toasters.
• 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 1921.
• Vladimir Lenin was still alive.
• The Russian Revolution was taking place.
• Aerosol spray cans didn't exist.
• Sunglasses weren't a thing yet.
• Most cars did not have radios.