How many years ago was 1939?

How long ago was 1939?

To put into perspective how long ago 1939 was:

• Anyone who turned 21 in 1939 is most likely dead by now.
• Most of the people who were born in 1939 are retired.
• Eight decades have passed since then.
• Television did not exist at the time. Back then, radio was the medium of choice.
• World War II was still being fought.
• The Moon is moving away from Earth at roughly 1.49 inches per year. That means that it has moved away by about 128 inches since 1939.
• There have been roughly 4,472 weekends since then.
• Humphrey Bogart was not a famous name.
• The world was experiencing a great economic depression.
• The Earth has travelled 387 billion miles through space since 1939.
• People were using rotary phones.
• 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 1939.
• Ballpoint pens didn't exist in 1939.
• Cars didn't have power steering.