| Start of World War I (1914) | Russian Revolution (1917) |
| Spanish Flu Pandemic (1918-1919) | Signing of the Treaty of Versailles (1919) |
| Stock Market Crash (1929) | Rise of Adolf Hitler (1933) |
| Spanish Civil War (1936-1939) | Start of World War II (1939) |
| Attack on Pearl Harbor (1941) | D-Day Invasion (1944) |
| Atomic Bombing of Hiroshima and Nagasaki (1945) | End of World War II (1945) |
| Founding of the United Nations (1945) | Indian Independence (1947) |
| Partition of India and Pakistan (1947) | Founding of Israel (1948) |
| Chinese Civil War Ends (1949) | Korean War Begins (1950) |
| Cuban Missile Crisis (1962) | Assassination of John F. Kennedy (1963) |
| Civil Rights Act (1964) | Moon Landing (1969) |
| Watergate Scandal (1972-1974) | End of Vietnam War (1975) |
| Iranian Revolution (1979) | Assassination of Indira Gandhi (1984) |
| Chernobyl Disaster (1986) | Fall of the Berlin Wall (1989) |
| Dissolution of the Soviet Union (1991) | End of Apartheid in South Africa (1994) |
| 9/11 Terrorist Attacks (2001) | Invasion of Iraq (2003) |
| Indian Ocean Tsunami (2004) | Global Financial Crisis (2008) |
| Arab Spring (2010-2012) | Fukushima Nuclear Disaster (2011) |
| Paris Attacks (2015) | Brexit Referendum (2016) |
| Election of Donald Trump (2016) | COVID-19 Pandemic Begins (2019) |
| Death of George Floyd (2020) | Storming of the U.S. Capitol (2021) |
| Suez Canal Blockage (2021) | Russian Invasion of Ukraine (2022) |
| Assassination of Mahatma Gandhi (1948) | Martin Luther King Jr. Assassination (1968) |
| Tiananmen Square Massacre (1989) | Hurricane Katrina (2005) |
| Chilean Miners Rescue (2010) | Sandy Hook Elementary School Shooting (2012) |
| Boston Marathon Bombing (2013) | Flint Water Crisis (2014) |
| MH370 Disappearance (2014) | Paris Climate Agreement (2015) |
| Notre Dame Cathedral Fire (2019) | Beirut Explosion (2020) |
| Assassination of Benazir Bhutto (2007) | Great Chicago Fire (1871) |
| Hindenburg Disaster (1937) | Battle of Stalingrad (1942-1943) |
| Pearl Harbor Attack (1941) | Montgomery Bus Boycott (1955-1956) |
| Stonewall Riots (1969) | Kent State Shootings (1970) |
| Munich Olympics Massacre (1972) | Jonestown Massacre (1978) |
| Iranian Hostage Crisis (1979-1981) | Challenger Space Shuttle Disaster (1986) |
| Fall of Saigon (1975) | Hillsborough Disaster (1989) |
| Rwanda Genocide (1994) | Oklahoma City Bombing (1995) |
| Columbine School Shooting (1999) | Y2K Bug Scare (1999) |
| 2008 Sichuan Earthquake | 2004 Madrid Train Bombings |
| London Bombings (2005) | Iceland Volcanic Eruption (2010) |
| Death of Osama bin Laden (2011) | Boston Marathon Bombing (2013) |
| Annexation of Crimea (2014) | Syrian Civil War (2011-present) |
| Christchurch Mosque Shootings (2019) | U.S. Withdrawal from Afghanistan (2021) |
| Hong Kong Protests (2019-2020) | Black Lives Matter Protests (2020) |
| Assassination of Shinzo Abe (2022) | Assassination of Jamal Khashoggi (2018) |
| Venezuelan Economic Crisis (2010s) | Australian Bushfires (2019-2020) |
| Notre Dame Cathedral Fire (2019) | Capitol Riots (2021) |
| Deepwater Horizon Oil Spill (2010) | Haiti Earthquake (2010) |
| Assassination of Rafic Hariri (2005) | Greek Financial Crisis (2010) |
| Indian Demonetization (2016) | Rohingya Crisis (2017) |
