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What Happened Today in History on January 27

Explore the historical events that shaped our world on January 27th. From major milestones to cultural achievements, see what happened on this day in history. Dates for earlier events may be approximate.

Trajan becomes Roman emperor following the death of Nerva.

Grand Prince Sviatopolk II of Kiev is murdered, leading to political unrest in Kievan Rus'.

Andrew III of Hungary dies, leading to succession disputes and internal conflicts in Hungary.

Dante Alighieri is accused of corruption in political office like others from the White Guelphs political party (supporters independence for the city-state who were not aligned with the Pope). Dante's sentence was a hefty fine and banishment for two years from Florence and permanent exclusion from public office. 

King Charles V of France creates the first franc coin, a new currency for France.

The Second Peace of Thorn is signed, ending the Thirteen Years' War between the Teutonic Order and Poland.

Spain annexes Cuba.

The first recorded sighting of Maryland is made by English settlers.

The first state constitution of Georgia is adopted.

The British Parliament passes the Constitutional Act, dividing Canada into Upper Canada and Lower Canada.

Argentine General José de San Martín begins his crossing of the Andes during the South American Wars of Independence.

The United Kingdom recognizes the independence of the Transvaal (South African Republic).

The first US raid was conducted on Germany proper as 91 US bombers were sent on a day light raid on the submarine bases at Wilhelmshaven. 53 bombers successfully bombed the target and 3 were lost. The US daylight bombing of Germany continued as the British continue their night bombing raids. More

The 900 day siege of Leningrad is broken when the Soviet Leningrad–Novgorod Offensive expels the German forces from the southern outskirts of the city. This was a combined effort by the Leningrad and Volkhov Fronts, along with the 1st and 2nd Baltic Fronts. The estimates of the death toll vary, but it is believed than more than 1 million Leningrad residents perished from hunger or bombardments, during the siege.

The Soviet troops liberate the Nazi concentration camp at Auschwitz, Poland. The advancing Soviet forces discovered about 7,000 prisoners, most of whom were ill and dying, who had been left behind by the Nazi SS.

The Nevada Test Site (NTS), 65 miles north of Las Vegas, detonates the first of several nuclear bombs, Shot Able, a 1-kiloton bomb, as part of Operation Ranger. Between 1951 and 1992, the U.S. government conducted a total of 928 nuclear tests here. Out of these tests 100 were atmospheric, and 828 were underground. More

The United States, United Kingdom, and Soviet Union sign the Outer Space Treaty banning the militarization of space by prohibiting placing nuclear weapons and other weapons of mass destruction (WMD) in orbit or on celestial bodies, and dedicating outer space and celestial bodies to peaceful use.

The Apollo I Tragedy; a fire swept through the Apollo 1 Command Module during a launch rehearsal test, tragically killing astronauts Virgil “Gus” Grissom, Edward H. White II, and Roger B. Chaffee. A long investigation concluded that a faulty electrical wire inside the Apollo 1 command module was the probable cause of the fire. More

The Vietnam War Paris Peace Accords are signed, effectively ending direct U.S. involvement in the war. More