Social studies 1920's

Following the death of Vladimir Lenin, Joseph Stalin immediately begins to purge his rivals to clear the way for his leadership

University of Chicago students Richard Loeb and Nathan Leopold, Jr. murder 14-year-old Bobby Franks, in a thrill killing.

In New York City the first Macy's Thanksgiving Day Parade is held.

First Red Scare: 4,025 suspected communists and anarchists are arrested and held without trial in the United States, following raids in several cities

Mexican Revolution: Álvaro Obregón announces (in Chilpancingo) that he intends to fight against the rule of Venustiano Carranza.

The position of Patriarch of the Serbs is re-established as the authority over the Serbian Orthodox Church, almost 156 years to the day after it was abolished by the Ottoman Empire in 1766.

Vladimir Lenin suffers his third stroke, which renders him bedridden and unable to speak; consequently he retires from his position as Chairman of the Soviet government.

Louis Armstrong makes his first recording, "Chimes Blues", with King Oliver's Creole Jazz Band.

Roy and Walt Disney found The Walt Disney Company

The Ottoman Empire is abolished after 600 years, and its last sultan, Mehmed VI, abdicates

In Moscow, eight priests, two laymen, and one woman are sentenced to death for opposition to the Soviet government's confiscation of church property.

The Supreme Court of the United States rebuffs a challenge to the Nineteenth Amendment to the United States Constitution, which gave women the right to vote

The United States formally ends World War I.

The Communist Party of China (CPC) is founded

The Italian Communist Party is founded in Livorno

The first religious radio broadcast is heard over station KDKA AM in Pittsburgh