In 1949, Costa Rica abolished its military, making it one of the few countries without one. They decided to spend the money on security, culture, and education.
In 1954, in response with West Germany joining NATO, the USSR (Of which NATO was founded to counter) requested to join. The Soviet Union didn’t even seriously expect to get in but if America and the UK hadn’t rejected them, it could have in theory, ended the Cold War.
Miguel de Cervantes was most famous as the author of the novel Don Quixote. He fought honorably for Spain but ended up captured and lived as a slave for five years until he got his freedom.
Christopher Columbus encountered manatees and thought they were mermaids. He commented that they were much uglier than he expected.
The Super Nintendo Entertainment System was planned to play NES games but it was going to make it $75 more expensive and Nintendo opted to make the console cheaper.