The Afghan war waged by the mujahideen (whose Pashto faction became the Taliban) against the USSR, funded by the Saudis, with arms supplied by the US was defini

The Afghan war waged by the mujahideen (whose Pashto faction became the Taliban) against the USSR, funded by the Saudis, with arms supplied by the US was definitely a victory: The USSR retreated and Afghanistan became a theocratic state. If you mean a victory for democracy or human rights, then definitely no, but that was never the goal.