Events on January 31 46
Year 1606
Gunpowder Plot: Guy Fawkes is executed for plotting against Parliament and King James.
Year 1814
Gervasio Antonio de Posadas becomes Supreme Director of the United Provinces of the Río de la Plata (present-day Argentina).
Year 1846
After the Milwaukee Bridge War, Juneautown and Kilbourntown unify as the City of Milwaukee.
Year 1862
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.
Year 1865
American Civil War: The United States Congress passes the Thirteenth Amendment to the United States Constitution, abolishing slavery and submits it to the states for ratification.
Year 1891
History of Portugal: The first attempt at a Portuguese republican revolution breaks out in the northern city of Porto.
Year 1900
Datu Muhammad Salleh is killed in Kampung Teboh, Tambunan, ending the Mat Salleh Rebellion.
Year 1915
World War I: Germany is the first to make large-scale use of poison gas in warfare in the Battle of Bolimów against Russia.
Year 1917
World War I: Germany announces that its U-boats will resume unrestricted submarine warfare after a two-year hiatus.
Year 1918
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.
Year 1942
World War II: Allied forces are defeated by the Japanese at the Battle of Malaya and retreat to Singapore.
Year 1943
World War II: German Field Marshal Friedrich Paulus surrenders to the Soviets at Stalingrad, followed 2 days later by the remainder of his Sixth Army, ending one of the war's fiercest battles.
Year 1944
World War II: American forces land on Kwajalein Atoll and other islands in the Japanese-held Marshall Islands.
Year 1944
World War II: During the Anzio campaign the 1st Ranger Battalion (Darby's Rangers) is destroyed behind enemy lines in a heavily outnumbered encounter at Battle of Cisterna, Italy.
Year 1945
US Army private Eddie Slovik is executed for desertion, the first such execution of an American soldier since the Civil War.
Year 1945
World War II: About 3,000 inmates from the Stutthof concentration camp are forcibly marched into the Baltic Sea at Palmnicken (now Yantarny, Russia) and executed.
Year 1945
World War II: The end of fighting in the Battle of Hill 170 during the Burma Campaign, in which the British 3 Commando Brigade repulsed a Japanese counterattack on their positions and precipitated a general retirement from the Arakan Peninsula.
Year 1946
Yugoslavia's new constitution, modeling that of the Soviet Union, establishes six constituent republics (Bosnia and Herzegovina, Croatia, Macedonia, Montenegro, Serbia and Slovenia).
Year 1946
The Democratic Republic of Vietnam introduces the đồng to replace the French Indochinese piastre at par.
Year 1949
These Are My Children, the first television daytime soap opera is broadcast by the NBC station in Chicago.
Year 1950
United States President Harry S. Truman announces a program to develop the hydrogen bomb.
Year 1953
A North Sea flood causes over 1,800 deaths in the Netherlands and over 300 in the United Kingdom
Year 1957
Eight people on the ground in Pacoima, California are killed following the mid-air collision between a Douglas DC-7 airliner and a Northrop F-89 Scorpion fighter jet.
Year 1966
The Soviet Union launches the unmanned Luna 9 spacecraft as part of the Luna program.
Year 1968
Vietnam War: Viet Cong guerrillas attack the United States embassy in Saigon, and other attacks, in the early morning hours, later grouped together as the Tet Offensive.
Year 1971
Apollo program: Apollo 14: Astronauts Alan Shepard, Stuart Roosa, and Edgar Mitchell, aboard a Saturn V, lift off for a mission to the Fra Mauro Highlands on the Moon.
Year 1971
The Winter Soldier Investigation, organized by the Vietnam Veterans Against the War to publicize war crimes and atrocities by Americans and allies in Vietnam, begins in Detroit.
Year 1996
An explosives-filled truck rams into the gates of the Central Bank of Sri Lanka in Colombo, killing at least 86 people and injuring 1,400.
Year 2000
Alaska Airlines Flight 261 crash: An MD-83, experiencing horizontal stabilizer problems, crashes in the Pacific Ocean off the coast of Point Mugu, California, killing all 88 aboard.
Year 2001
In the Netherlands, a Scottish court convicts Libyan Abdelbaset al-Megrahi and acquits another Libyan citizen for their part in the bombing of Pan Am Flight 103 over Lockerbie, Scotland in 1988.
Year 2009
In Kenya, at least 113 people are killed and over 200 injured following an oil spillage ignition in Molo, days after a massive fire at a Nakumatt supermarket in Nairobi killed at least 25 people.