Sebastián Piñera
b. 1949
Chilean businessman and politician, 35th President of Chile
On This Day · The 335th day of the year
December 1
December 1 carries 10 recorded events spanning between 1822 and 1997. Pedro I is crowned Emperor of Brazil.
Compiled & reviewed by Roman Tailor · Last reviewed July 13, 2026
What happened on December 1?
December 1 is the 335th day of the year. It marks 10 notable events in history, dated between 1822 and 1997. Famous people born on December 1 include Sebastián Piñera, Justin Chadwick and Brad Delson.
The shape of the day
December 1's recorded history is unusually compressed, gathered within recent centuries rather than reaching into antiquity. Its center of gravity is the 20th century, and politics and nation-building recur.
Sagittarius is the sign for December 1 — read more on the Sagittarius page, or see December's birthstone & birth flower.
Released on December 1
Movies, games, albums & shows2025
- Game Marvel Cosmic Invasion
2023
- Game SteamWorld Build
Release data from TMDB & IGDB.
Events
10 notable moments- 1822
Pedro I of Brazil
Pedro I is crowned Emperor of Brazil.
- 1862
American Civil War
American Civil War: In his second State of the Union Address, President Abraham Lincoln reaffirms the necessity of ending slavery as ordered ten weeks earlier in the Emancipation Proclamation.
- 1934
Sergei Kirov
Sergei Kirov is assassinated, paving way for the repressive Great Purge, and Vinnytsia massacre by General Secretary of the Communist Party of the Soviet Union, Joseph Stalin.
- 1939
World War II
World War II: A day after the beginning of the Winter War in Finland, the Cajander III Cabinet resigns and is replaced by the Ryti I Cabinet, while the Finnish Parliament move from Helsinki to Kauhajoki to escape the Soviet airstrikes.
- 1958
Central African Republic
The Central African Republic attains self-rule within the French Union.
- 1963
Nagaland
Nagaland, became the 16th state of India.
- 1971
Croatian Spring
Purge of Croatian Spring leaders starts in Yugoslavia at the meeting of the League of Communists at the Karađorđevo estate.
- 1973
Papua New Guinea
Papua New Guinea gains self-government from Australia.
- 1991
Ukraine
Cold War: Ukrainian voters overwhelmingly approve a referendum for independence from the Soviet Union.
- 1997
Bihar
In the Indian state of Bihar, Ranvir Sena attacks the CPI (ML) Party Unity stronghold Lakshmanpur-Bathe, killing 63 lower caste people.
Famous birthday twins
Born on December 1Justin Chadwick
b. 1968
English actor and director
Brad Delson
b. 1977
American guitarist and producer
Zhu De
b. 1886
Chinese general and politician, 1st Vice Chairman of the People's Republic of China
9th Dalai Lama
b. 1805
Tibetan Buddhist spiritual leader
Katherine LaNasa
b. 1966
American actress, ballet dancer, and choreographer
Chris Poland
b. 1957
American guitarist and songwriter
George Maxwell Richards
b. 1931
Trinidadian politician, 4th President of Trinidad and Tobago
Deaths
- 2023Sandra Day O'Connor
- 1973David Ben-Gurion
- 1934Sergei Kirov
- 1916Charles de Foucauld
- 1825Alexander I of Russia
- 1521Pope Leo X
Holidays & observances
- —Battle of the Sinop Day (Russia)
- —Christian feast day: Alexander Briant
- —Christian feast day: Ansanus
- —Christian feast day: Blessed Bruna Pellesi
- —Christian feast day: Castritian
- —Christian feast day: Charles de Foucauld
- —Christian feast day: Edmund Campion
- —Christian feast day: Eligius
Historical facts, event summaries, and biographical lines above are adapted from Wikipedia under the Creative Commons Attribution-ShareAlike (CC BY-SA) license. DateLore adds curation, structure, and original editorial commentary. DateLore is not affiliated with the Wikimedia Foundation.
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