Question

which cold war event happened last?
the korean war ends.
sputnik is launched.
the vietnam war ends.
the cuban missile crisis takes place.

Explanation:

1. Korean War ends: 1953
2. Sputnik launched: 1957
3. Cuban Missile Crisis: 1962
4. Vietnam War ends: 1975

Comparing these dates, the Vietnam War ending is the latest event.

Answer:

The Vietnam War ends.