July 21, 1861: Confederate forces won victory at <a href="/ce6/history/A0857065.html">Bull Run</a> in the first major battle of the <a href="/node/155791">Civil War</a>.

July 21, 1873: The first train robbery west of the Mississippi was pulled off by <a href="/ce6/people/A0825930.html">Jesse James</a> and his gang.

July 21, 1925: In the "<a href="/ce6/history/A0844087.html">Monkey Trial</a>," John T. Scopes was found guilty of violating Tennessee state law by teaching evolution.

July 21, 1949: The U.S. Senate ratified the <a href="/ce6/history/A0835931.html">North Atlantic Treaty</a>.

July 21, 1970: The <a href="/ce6/world/A0805146.html">Aswan</a> High Dam was opened in <a href="/node/70484">Egypt</a>.

July 21, 1998: Astronaut <a href="/ce6/people/A0844849.html">Alan Shepard</a> died.

July 21, 2002: WorldCom filed for bankruptcy, then the <a href="/node/21789">largest bankruptcy</a> in U.S. history.

More events from This Day in History: July 21