Births on May 13

Dean Meminger, American basketball player and coach (d. 2013)

Dean Peter "The Dream" Meminger (May 13, 1948 – August 23, 2013) was an American basketball player and coach.

3 Apr

Marshall Plan
United States President Harry S. Truman signs the Marshall Plan, authorizing $5 billion in aid for 16 countries.
14 May

1948 Arab-Israeli War
Israel is declared to be an independent state and a provisional government is established. Immediately after the declaration, Israel is attacked by the neighboring Arab states, triggering the 1948 Arab-Israeli War.
15 May

1948 Arab-Israeli War
Following the expiration of The British Mandate for Palestine, the Kingdom of Egypt, Transjordan, Lebanon, Syria, Iraq and Saudi Arabia invade Israel thus starting the 1948 Arab-Israeli War.
16 Jul

1948 Arab-Israeli War
Following token resistance, the city of Nazareth, revered by Christians as the hometown of Jesus, capitulates to Israeli troops during Operation Dekel in the 1948 Arab-Israeli War.
3 Aug

Alger Hiss
Whittaker Chambers accuses Alger Hiss of being a communist and a spy for the Soviet Union.