In 1969, Honduras and El Salvador went to war while their football teams faced off in a World Cup qualifier.
In the mid-20th century, several countries had plans to construct a flying submarine.
The French mercenary Bob Denard overthrew the government of the Comoros four times: in 1975, 1978, 1989, and 1995.
The USS Triton was the first submarine to circumnavigate the world completely underwater. It was spotted just once, by a Filipino fisherman.
A Portuguese mercenary stole the largest working bell in history from Shwedagon Pagoda, and then lost it in the waters of the Yangon River.
How about that time that the Egyptian Mamluks, with secret support from Venice, battled the Portuguese in the sea off the coast of India?
In 1967, fifteen ships and their crews were trapped on the Suez Canal because of the Six-Day War. The ships would remain there for the next eight years.
Take a log, paint it black, and make sure your enemy can see it. The “quaker guns” were a key piece of strategic deception in the American Revolutionary and Civil Wars.
In 1946 a modified V-2 rocket took the first picture of our planet from outer space.
In 1950 Leo Szilard warned the world that a single device capable of annihilating all life on Earth was theoretically possible.
The inventor of the diesel engine died at sea under mysterious and still unexplained circumstances.
Vidal Sassoon was an icon of 20th century fashion – and also beat up fascists in post-WWII London.
Thomas Selfridge was a passenger in one of the Wright brothers’ early planes when it crashed in 1908; he was the first person to die in a plane crash.
In 1687 Ottoman-controlled Athens, the Venetians blew up the Parthenon. The Ottomans built a mosque from its ruins.
In World War I, phenol was a key ingredient in aspirin, explosives, and phonograph records. German agents secretly redirected Thomas Edison’s excess phenol supply to prevent it being used for British bombs.
In 1968 a North Korean black ops assassination team got within 100 metres of the South Korean president’s house. South Korea formed a team of petty criminals and teenagers to return the favour, but after three years of training they mutinied.