How many years ago was 1931?

How long ago was 1931?

To put into perspective how long ago 1931 was:

• Many of the people who were born that year have since passed away.
• Anyone who turned 21 in 1931 is most likely dead by now.
• Nine decades have passed since then.
• Television did not exist at the time. Back then, radio was the medium of choice.
• If you were to travel back in time to this year, nobody would know who "Batman" is. The character didn't make his first appearance until eight years later.
• The start of World War II was still eight years away.
• The Moon is moving away from Earth at roughly 1.49 inches per year. That means that it has moved away by about 138 inches since 1931.
• There have been roughly 4,836 weekends since then.
• Names such as Bette Davis, Shirley Temple, and Clark Gable were not famous at the time.
• Alcohol was illegal in the United States due to prohibition.
• The world was experiencing a great economic depression.
• The Earth has travelled 419 billion miles through space since 1931.
• People were using rotary phones.
• The board game "Monopoly" did not exist yet.
• There were no satellites in the sky.
• Due to the expansion of the Atlantic Ocean, the distance between the United States and Europe has grown 2 meters since 1931.
• Drinking straws were not plastic.
• There were no helicopters in 1931.
• Cars didn't have power steering.
• Most cars did not have radios.
• Soda drinks didn't come in cans.