Academic tenure was put in place in U.S. school systems in the first half of the 20th century to protect teachers from arbitrary punishment, but in the last several decades it has morphed into something else altogether.
More facts about short wars: 1  The second-shortest war in recorded history occurred during the 20th century. Launched on 5 June 1967, the Six Day War was the result of Egypt calling for Arab nations to take action against Israel after leaders in that nation made threats against the country of Syria.
The Shortest War in History. By Ben Johnson, EditorCOMMENTS. The little known Anglo-Zanzibar War of 1896 is generally considered to be the shortest war in history, lasting for a grand total of 38 minutes. The story begins with the signing of the Heligoland-Zanzibar treaty between Britain and Germany in 1890.