Soviet-Afghan War (1979-1989)
The Soviet Union invaded Afghanistan in December 1979 and fought a decade-long counterinsurgency. The war drained the Soviet budget, strained an economy already slowing under the arms race, and ended with a full withdrawal in 1989.
Soviet forces pulled out in 1989 leaving a collapsed Afghan state.
The war's economic burden accelerated Soviet fiscal decline in the years before the union collapsed.
Mirrors Russia's situation in Ukraine: prolonged war spending against sanctions, funded on borrowed time.
