Aircraft Construction. In 1927, Boeing Air Transport created the first airplane made specifically for passenger service.

Martin Luther. Martin Luther lived from 1483-1546.

David. King David is credited with writing many of the Psalms.

Olof Palme. Christer Pettersson was convicted of the murder in 1988 but was later acquitted after an appeal.

Queen. Bloody Mary was actually a queen in England. She got her nickname because she enjoyed bathing in her victims blood.

1962. The United States Navy used powered lighter-than-air craft from June 1915 until August 1962.