Civil War. The period between 1861-1865 was the most one of the most devastating in American history, both in terms of its death toll and its impact on the American psyche. Learn about the war and the events that precipitated it with these resources and study guides. History & Culture. Top Five Causes of the Civil War.
The first person to travel in space was Soviet cosmonaut Yuri A. Gagarin (1934-1968). His achievement brought prestige to the Soviet Union. Gagarin orbited the Earth in the spaceship Vostok I, which was launched April 12, 1961, in a flight lasting one hour and forty-eight minutes.
Guion Bluford Jr. was the first black man and Mae Jemison the first black woman to travel in space (in 1983 and 1992, respectively). Bluford is an engineer and was a colonel in the United States Air Force before participating in four space shuttle flights.