Oct 7 averted

* 1912: Calbraith Perry Rodgers did not die from a plane flight.
* 1956: Hungarian uprising results in suppression.
* 1957: Soviet Union launches Sputnik I the first satellite.
* 1958: NASA launched Pioneer 1 to the Moon and beyond.
* 1961: Yuri Gagarin became the first man in orbit on April, however he was beaten by Shepard a month earlier. Erection of the Berlin Wall.
* 1962: John Glenn is the first American to orbit Earth. 
* 1963: Assassination of JFK.
* 1965: Alexei Leonov became the first person to do spacewalk. In response a Gemini mission involving a space station was launched by NASA.
* 1969: Neil Armstrong is the first man to walk on the Moon.
* 1975: Fall of Saigon.
* 1977: Start of Voyager missions.
* 1981: Introduction of space shuttles.
* 1989: Fall of the Berlin Wall.
* 1991: Crumbling of the Soviet Union.
* 1993: Russian constitutional crisis.
* 1996: Russian Mars 96 successfully launched to Mars.
* 2001: 9/11 attacks.
* 2003: Invasion of Iraq.
* 2008: Obama became president.
* 2014: Start of Ukrainian war.
* 2015: New Horizons flew by Pluto.
* 2016: Trump won US presidential election.
* 2019: Israeli Beresheet lander is successful.
* 2020: Start of COVID-19 pandemic.
* 2022: Russian invasion of Ukraine.
* 2023: The Hakuto lander lands on the Moon. Due to advanced warning and immediate response the Oct 7 massacre by Hamas didn't happen as Israel carried out pre-emptive strikes against them.