WHAT HAPPENED ON 31. JANUARY
Want to find out what all happened on 31. January

Silvester I begins his reign as Pope of the Catholic Church, succeeding Pope Miltiades. (31. January 314)

France cedes Naples to Aragon. (31. January 1504)

Gunpowder Plot: Guy Fawkes is executed for plotting against Parliament and King James. (31. January 1606)

The first venereal diseases clinic opens at London Lock Hospital. (31. January 1747)

John Marshall is appointed the Chief Justice of the United States. (31. January 1801)

Gervasio Antonio de Posadas becomes Supreme Director of Argentina. (31. January 1814)

After the Milwaukee Bridge War, Juneautown and Kilbourntown unify as the City of Milwaukee, Wisconsin. (31. January 1846)

John C. Frémont is Court-martialed for mutiny and disobeying orders. (31. January 1848)

Corn Laws are abolished in the United Kingdom pursuant to legislation in 1846. (31. January 1849)

Alvan Graham Clark discovers the white dwarf star Sirius B, a companion of Sirius, through an 18.5-inch (47 cm) telescope now located at Northwestern University. (31. January 1862)

American Civil War: The United States Congress passes the Thirteenth Amendment to the Constitution of the United States, abolishing slavery and submits it to the states for ratification. (31. January 1865)

American Civil War: Confederate General Robert E. Lee becomes general-in-chief. (31. January 1865)

Maronite nationalist leader Youssef Karam leaves Lebanon on board a French ship bound for Algeria. (31. January 1867)

History of Portugal: The first attempt at a Portuguese republican revolution breaks out in the northern city of Porto. (31. January 1891)

Datu Muhammad Salleh is assassinated in Kampung Teboh, Tambunan, ending the Mat Salleh Rebellion. (31. January 1900)

World War I: Germany is the first to make large-scale use of poison gas in warfare in the Battle of Bolimów against Russia. (31. January 1915)

World War I: Germany announces that its U-boats will resume unrestricted submarine warfare after a two-year hiatus. (31. January 1917)

A series of accidental collisions on a misty Scottish night leads to the loss of two Royal Navy submarines with over a hundred lives, and damage to another five British warships. (31. January 1918)

The Battle of George Square takes place in Glasgow, Scotland. (31. January 1919)

The Soviet Union exiles Leon Trotsky. (31. January 1929)