At the time of the 1906 San Francisco Earthquake, government officials falsely reported 375 deaths to protect real estate prices, even though the figure is estimated to be at minimum 3000.
African-Americans gained Irish surnames (e.g. Shaquille O’Neal) because Irish and Blacks lived side by side in the poorest parts of port towns in 19th century America.
During WWII, the US produced so many Purple Hearts in anticipation of invading Japan, we were left with a stockpile of a half-million units that has served us for every conflict in the last 65+ years.
The US tried to purchase Greenland for $100 million in 1946.
FDR had to borrow Al Capone’s limousine in order to deliver a speech during WW2. Why? Because it was the only known bulletproof car at the time.
In 1960 the divorce rate in USA was only 9 divorces per 1000 marriages.
During the World War II, the US Army accidentally bombed a small town in Oklahoma.
Tobacco is a hallucinogen if you smoke it like American Indians used to instead of buying it at the store.
Diarrhea was the leading cause of death among soldiers in the American Civil War. And soldiers had a code of honor against shooting at someone who was pooping.