The post-1945 order was dead after the NATO's war in Yugoslavia in 1999, and the subsequent recognition of Kosovo. At the very latest.
One coulld argue that it happened earlier, for example after the collapse of the Soviet Union, or the collapse of the Warsaw Pact, or after the annexation of East Germany.
One coulld argue that it happened earlier, for example after the collapse of the Soviet Union, or the collapse of the Warsaw Pact, or after the annexation of East Germany.