In a This Day in History video, learn that on July 10, 1925, the Scopes Monkey trial began in Dayton, Tennessee. High school teacher John Thomas Scopes was charged with violating Tennessee's law against teaching evolution instead of the divine creation of man. The trial was the first to be broadcasted on live radio. Scopes was defended by Clarence Darrow, and across the aisle was William Jennings Bryan. In the end, the jury convicted Scopes but encouraged other states to not pass anti-evolution laws.
On July 26, 1948, President Harry S. Truman signed Executive Order 9981, mandating the desegregation of the U.S. Armed Forces and ending 170 years of officially sanctioned racial discrimination in the military. Although African Americans had served since the Revolutionary War, they were typically segregated from white troops and often assigned to menial roles. A landmark achievement of both the postwar civil rights movement and Truman’s presidency, the order marked one of the first times a U.S. president used executive authority to advance civil rights. It also helped pave the way for broader desegregation efforts across American society.
On October 29, 1969, Stanford programmer Bill Duvall sent a single-word message—"login"—to UCLA student programmer Charley Kline, 350 miles away. Transmitted between two computers that each filled an entire room, this message marked the first communication between networked computers and is widely regarded as the birth of the internet.