This Day in History Class

The SS Princess Sophia sank on this day in 1918. / On this day in 1924, a letter sent from Grigory Zinoviev to the Communist Party of Britain was published in the British newspaper Daily Mail. The document is now believed to be a forgery.

See omnystudio.com/listener for privacy information.

Ninety percent of Iceland's women went on strike in the Women's Day Off on this day in 1975.

See omnystudio.com/listener for privacy information.

The War of Jenkin's Ear, known in Spain as Guerra del Asiento, began on this day in 1739. / On this day in 1911, Italian Captain Carlo Piazza flew the first aerial reconnaissance mission in a Blériot XI during the Italo-Turkish War.

See omnystudio.com/listener for privacy information.

The Great Disappointment of the Millerites took place on this day in 1844. / On this day in 1966, The Supremes became the first all-female group with a number one album - "The Supremes A' Go-Go" - on the Billboard 200.

See omnystudio.com/listener for privacy information.

The first modern planetarium opened in Munich on this day in 1923. / On this day in 1956, Mau Mau leader Dedan Kimathi was captured, signaling the effective end of the Mau Mau Uprising.

See omnystudio.com/listener for privacy information.

The firings and resignations known as the Saturday Night Massacre took place on this day in 1973, during the Watergate scandal. / On this day in 1951, a white football player for Oklahoma A&M assaulted a Black player for Drake University named Johnny Bright in an incident that was suspected to be racially motivated.

See omnystudio.com/listener for privacy information.

Members of the military attacked the National Palace in Guatemala on this day in 1944, during the Guatemalan Revolution. / On this day in 1909, French nuclear chemist and discoverer of francium Marguerite Perey was born.

See omnystudio.com/listener for privacy information.

The Battle of Mabila took place on this day in 1540. / On this day in 1954, Texas Instruments announced the invention of the first commercial transistor radio, the Regency TR-1.

See omnystudio.com/listener for privacy information.

The London Beer Flood took place on this day in 1814.

See omnystudio.com/listener for privacy information.