Answer
Adlai Stevenson II, a prominent American politician and diplomat, passed away at the age of 65 on July 14, 1965, after suffering a heart attack. He served as the 31st Governor of Illinois from 1949 to 1953 and was the Democratic presidential nominee in both the 1952 and 1956 elections. Stevenson is remembered for his eloquent speeches, commitment to public service, and dedication to promoting world peace.