Since the end of the Second World War (1939-1945), there have been many civil wars and several important regional military conflicts between two or more countries, but none has evolved into a general world war involving all the most heavily armed countries. The most serious regional wars were the Korean War (1950-1953), the Vietnam War (1955-1975), the Iraq War (2003-2011), the Syria War (2011- ), and the Ukraine War (2022- ).

Why Does Humanity Still Tolerate the Tragedy of Wars in the 21st Century? The Big Picture

H/T: Der Friedensstifter