April 17

Thursday 17, 1986:

Treaty signed, ending Three Hundred and Thirty Five Years' War between the Netherlands and the Isles of Scilly.

Friday 17, 1970:

Apollo program: The ill-fated Apollo 13 spacecraft returns to Earth safely.

Thursday 17, 1969:

Czechoslovak Communist Party chairman Alexander Dub?ek is deposed.

Tuesday 17, 1945:

In Strassfurt, Germany, U.S. Lieutenant Colonel Boris T. Pash seizes half a ton of uranium, in an attempt to foil Soviet Union plans to build an atomic bomb.

Monday 17, 1397:

Geoffrey Chaucer tells the Canterbury Tales for the first time at the court of Richard II.