Today in history 94

Here are some of the notable events that occurred on this day in history, April 14th:

1940: The United States and Canada sign the Ogdensburg Agreement, a treaty that establishes a joint defense commission to coordinate military efforts in the event of an attack on either country.

1947: Jackie Robinson becomes the first African American player in Major League Baseball, playing for the Brooklyn Dodgers.

1956: The Supreme Court rules in the case of Brown v. Board of Education, declaring that segregation in public schools is unconstitutional.

1965: The first spacewalk is performed by Soviet cosmonaut Alexei Leonov, who spends 12 minutes outside the Voskhod 2 spacecraft.

1981: The first mobile phone call is made by Martin Cooper, an engineer at Motorola, who calls a rival telecommunications company to declare that he is speaking from a cell phone.

1994: The Rwandan genocide begins, with Hutu extremists killing an estimated 800,000 people, mostly from the Tutsi ethnic group.

2007: The Virginia Tech shooting occurs, in which 32 people are killed and 17 others are injured by a gunman at Virginia Polytechnic Institute and State University.

These are just a few of the many events that have occurred on this day in history.