On This Day in History

Nine Moscow doctors were accused of a plot to poison members of the Soviet political and military leadership.

Togo's first president, Sylvanus Olympio (pictured), was assassinated by military officers in a coup d'état led by Emmanuel Bodjollé, Étienne Eyadéma, and Kléber Dadjo.

American singer Johnny Cash recorded his landmark album At Folsom Prison live at Folsom State Prison in California.

British rock band Led Zeppelin released their first album, Led Zeppelin, in the United States.

Ghanaian military officer Ignatius Kutu Acheampong led a coup to overthrow Prime Minister Kofi Abrefa Busia and President Edward Akufo-Addo.

Bernice Gera won a sex-discrimination lawsuit against the National Association of Professional Baseball Leagues, allowing her to become the first female professional baseball umpire.

Steve Ballmer replaced Bill Gates as the chief executive officer of Microsoft.

The first of two large earthquakes in the span of a month struck El Salvador, killing at least 944 people and destroying over 100,000 homes.

The trans-Neptunian object 208996 Achlys was discovered by Chad Trujillo and Michael E. Brown at Palomar Observatory, California.

The Italian cruise ship Costa Concordia (pictured) ran aground on a reef and capsized off Isola del Giglio, Tuscany.