1802-William Wordsworth and his sister Dorothy see a "long belt" of daffodils, inspiring the former to pen "I Wandered Lonely as a Cloud".
1850-City of San Francisco incorporated
1865-Abraham Lincoln dies nine hours after he is shot by John Wilkes Booth while attending the play "Our American Cousin" at Ford's Theatre in Washington
1912-RMS Titanic sinks at 2:27 AM off Newfoundland as the band plays on, with the loss of between 1,490 and 1,635 people
1983-Tokyo Disneyland opens
2010-Volcanic ash from the eruption of Eyjafjallajökull in Iceland leads to the closure of airspace over most of Europe.