The correct sequence of events is:
Yalta Conference, death of Stalin, Cuban Missile Crisis, death of Lumumba.
Here are the dates for additional context:
- Yalta Conference: February 4–11, 1945
- Death of Stalin: March 5, 1953
- Cuban Missile Crisis: October 16–28, 1962
- Death of Lumumba: January 17, 1961
This sequence places the events in chronological order.