Tear gas was first used on a grand scale during World War I.
During a training mission in 1958 near Savannah Georgia, two military planes accidentally collided. To keep a MK14 nuclear bomb from detonating, they had to eject it from the aircraft. All attempts to locate it have ended in failure.
Robert Louis Stevenson was the author of Doctor Jekyll and Mr. Hyde. But another famous work of his was Treasure Island.