(Encyclopedia) Sand Creek, Colorado, site of a massacre (1864) of Cheyenne by Col. John M. Chivington and his Colorado Volunteers. The Cheyennes, led by Black Kettle, had offered to make peace and,…
The System of Checks and Balances
In 1787 leaders of the states gathered to write the Constitution-a set of principles that told how the new nation would be governed.
The leaders of the states…
Notable Figures in Abolitionism
Browse more African-American biographies by category: A-Z List Government Officials Civil Rights Leaders Religious Leaders Scientists…
Notable Figures in Abolitionism
Browse more African-American biographies by category: A-Z List Government Officials Civil Rights Leaders Religious Leaders…
The Soviet cosmonaut Alexei Leonov was the first person to walk in space. On March 18, 1965, he floated outside his Voskhod 2 spacecraft for more than 10 minutes. Even though his lifeline extended…
Twelve astronauts have walked on the moon, the last in 1972. Here are the names of those astronauts listed chronologically by the date of their walk. July 20, 1969—Apollo 11Neil Armstrong Edwin “…
According to popular legend, the first American flag was made by Betsy Ross, a Philadelphia seamstress who was acquainted with George Washington, leader of the Continental Army, and other…
BIDDLE, John, a Delegate from the Territory of Michigan; born in Philadelphia, Pa., March 2, 1792; attended the common schools and Princeton College; enlisted in the War of 1812; appointed a…