Time line: https://www.trumanlibrary.gov/sites/default/files/TrumanCIA_Timeline.pdf

$^0$gc resources

$^1$https://www.khanacademy.org/humanities/whp-origins/era-7-the-great-convergence-and-divergence-1880-ce-to-the-future/74-end-of-empires-betaa/a/read-cold-war-an-overview-beta

$^2$https://byjus.com/free-ias-prep/cold-war/

$^3$https://www.britannica.com/study/major-cold-war-events

$^4$https://www.britannica.com/event/Vietnam-War

$^5$https://www.khanacademy.org/humanities/us-history/postwarera/1960s-america/a/the-vietnam-war

$^6$https://www.britannica.com/event/Korean-War

$^7$https://www.khanacademy.org/humanities/us-history/postwarera/1950s-america/a/the-korean-war

$^8$https://www.jfklibrary.org/learn/about-jfk/jfk-in-history/cuban-missile-crisis

$^9$https://www.iwm.org.uk/history/what-was-the-berlin-wall-and-how-did-it-fall

$^{10}$https://www.britannica.com/topic/perestroika-Soviet-government-policy

$^{11}$https://time.com/5512665/mikhail-gorbachev-glasnost-perestroika/

$^{12}$https://www.sciencedirect.com/topics/social-sciences/glasnost

$^{13}$https://www.britannica.com/place/Russia/The-Gorbachev-era-perestroika-and-glasnost