100 Years in History

Enter the year of the historical events. As an example, enter 2021 for the inauguration of Joe Biden. All dates are in CE. There might be a slight bias towards the US in general, Europe historically, and East Asia in the modern era due to my familiarity with the topics; I hope that is not too much of a problem.

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Last updated: October 2, 2025

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First submitted	July 16, 2025
Times taken	66
Average score	40.0%
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Hint	Year
September 11 attacks	2001
End of WW2 with the surrender of Japan	1945
End of WW1 in the Treaty of Versailles	1918
Dissolution of the Soviet Union	1991
Assassination of Martin Luther King Jr.	1968
Soviet Union tests its first nuclear bomb	1949
Adolf Hitler becomes chancellor of Nazi Germany	1933
Mao Zedong declares the the People’s Republic of China	1949
English settlers land in Jamestown	1607
Fall of Constantinople by Sultan Mehmed II	1453
Inauguration of George Washington	1789
Execution by guillotine of Maximilien Robespierre	1794
Election of Abraham Lincoln	1861
Start of the Meiji Restoration	1868
Sinking of the Lusitania	1915
Formation of the Union of Soviet Socialist Republics	1922
Beginning of the Holodomor	1932
First inauguration of Franklin Roosevelt	1933
Hundreds of thousands killed in the Nanjing Massacre	1937
United States tests its first hydrogen bomb	1949
Sputnik becomes the first artificial Earth satellite	1957
The USSR invaded Czechoslovakia in the Prague Spring	1968
Roe v. Wade is passed, protecting women’s abortion rights	1973
Fall of Saigon and the reunification of Vietnam	1975
Watergate break-in scandal leads to Nixon resigning	1972
Tiananmen Square Massacre	1989
China joins the World Trade Organization	2001
Xi Jinping becomes the president of China	2013
Release of OpenAI o1 model	2024
Charlemagne is crowned as the Holy Roman Empire	800
The Treaty of Tordesillas between Portugal and Castille	1494
Luther publishes his Ninety-five Theses in Wittenberg	1517
Defenestration of Prague catalyzed the Thirty Year’s War	1618
Glorious Revolution overthrows King James II of England	1688
Intolerable Acts passed after the Boston Tea Party	1774
The Articles of Confederation are ratified	1781
Haiti wins its independence from France	1804
Missouri Compromise	1820
Andrew Jackson is inaugurated as president of the US	1829
Treaty of Nanking ends the First opium War	1842
The Communist Manifesto is published by Marx and Engels	1848
Treaty of Guadalupe-Hidalgo	1848
First War of Indian Independence / Sepoy Rebellion	1857
Treaty of Tientsin ends the Second Opium War	1858
Battle of Antietam is the deadliest one-day battle in the US	1862
Transcontinental Railroad is completed	1869
Beginning of the Franco-Prussian War	1870
Great Chicago Fire	1871
April Uprising, a Bulgarian revolt in the Ottoman Empire	1876
Satsuma Rebellion against the modernization of Japan	1877

Hint	Year
Overthrow of the Hawaiian Kingdom against Liliuokalani	1893
Treaty of Shimonoseki ends the First Sino-Japanese War	1895
Landmark Supreme Court case Plessy v. Ferguson	1896
Start of the Russo-Japanese War in Port Arthur	1904
Xinhai Revolution ends the Qing Dynasty	1911
Theodore Roosevelt creates the Progressive Party	1912
Treaty of Brest-Litovsk ends the Eastern front in WW1	1918
Johnson-Reed Act limits immigration with nation quotas	1924
Shanghai Massacre ends the First United Front	1927
Trotsky is exiled from the USSR after a political struggle	1929
May 15 incident, an attempted coup d’etat in Japan	1932
Huey Long delivers his “Share Our Wealth” speech	1934
Xi’an Incident kidnapping leads to the Second United Front	1936
Invasion of Indochina by Japan	1940
Race riots in Los Angeles, Detroit, New York City, etc.	1943
Supreme Court case Korematsu v. United States	1944
George Orwell publishes 1984	1949
Death of Stalin	1953
Khrushchev’s “Secret Speech” condemns the rule of Stalin	1956
Start of the Great Leap Forward	1958
Peak of the Great Chinese Famine	1960
Rachel Carson publishes Silent Spring	1962
Passage of the Civil Rights Act, outlawing segregation	1964
Hart-Celler Act shifts US immigration to Latin America, Asia	1965
Miranda v. Arizona leads to the Miranda rights	1966
Liu Shaoqi dies in imprisoned after being purged by Mao	1969
The US leaves the gold standard as the Nixon Shock	1971
Okinawa is returned to Japanese sovereignty	1972
India develops its first nuclear bomb, the Smiling Buddha	1974
Deng Xiaoping becomes the paramount leader of the PRC	1978
Iranian Revolution creates the Islamic Republic	1979
Gwangju Uprising is suppressed by South Korean military	1980
Shenzhen becomes China’s first Special Economic Zone	1980
Ronald Reagan is inaugurated as president of the US	1981
Mikhail Gorbachev becomes leader of the Soviet Union	1985
The Dow Jones plummets 22.6% on Black Monday	1987
June Democratic Struggle leads to democracy in Korea	1987
End of the Shōwa era in Japan	1989
Fall of the Berlin Wall	1989
Start of Gulf War to liberate Kuwait from Iraqi occupation	1990
Maastricht Treaty is signed, creating the European Union	1992
North American Free Trade Agreement comes into effect	1994
Sampoong Department Store collapse	1995
USA PATRIOT Act expands surveillance	2001
Invasion of Iraq to overthrow Hussein’s regime	2003
Benazir Bhutto is assassinated in Rawalpindi	2007
Belt and Road Initiative launched by Xi Jinping	2013
Obergefell v. Hodges legalizes same-sex marriage	2015
60 killed in Las Vegas shooting in the Route 91 Harvest	2017
Start of the invasion of Ukraine	2022

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3 Comments

Level 60

Aug 7, 2025

Adolf Hitler did NOT become chancellor in 1949..he was dead quite a while before 1949

Level 27

Aug 15, 2025

Thanks, fixed.

Level 45

Sep 28, 2025

Not fixed

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