By 25 BC, ancient Romans developed a recipe for concrete specifically used for underwater work which is essentially the same formula used today.
Johnny Cash accidentally started a wildfire that destroyed over 500 acres and killed 49 endangered condors.
2000 years before the industrial revolution, Hero of Alexandria invented the first vending machine, which dispensed holy water after you put in a coin
During the Civil War, a man gained national recognition by repeatedly auctioning off a plain sack of flour. By doing so, he raised $250,000 which aided wounded soldiers.
During the 18th century, you could pay your admission to the zoo in London by bringing a cat or a dog to feed the lions.
In Ancient Rome, when people wanted to commit suicide, they applied to the Senate and, if their petitions were approved, were given free hemlock.
Hirō Onoda- The Japanese solider who stayed in the jungles of the Philippines for 30 years not believing WWII had ended
In Ancient Times, in the Middle East and India, people tamed Cheetahs and trained them to ride horses