Ernestine Shepherd held the record as the oldest female competitive bodybuilder until 2012. Born in 1937, she only began weightlifting at age 56. At age 81, she was still bench pressing 115 lbs. – WTF Fun Facts
Source: Meet the 81-year-old woman who can bench press 115lb – BBC Three
Until 1937, it was illegal for men to be topless in the US – even on beaches. The fine was $1 if caught in New York City or its municipal beaches. – WTF Fun Facts
Source: https://www.washingtonpost.com/history/2019/01/05/men-were-once-arrested-baring-their-chests-beach/
In 2000, the table tennis federation voted to increase the diameter of the ping pong ball from 38mm to 40mm to make it easier to learn and make the sport better for TV. It was the first major change to the sport since 1937. – WTF Fun Facts
Source: http://news.bbc.co.uk/2/hi/sport/tennis/654102.stm