Births on May 20

Reinaldo Merlo, Argentinian footballer and coach

Reinaldo Carlos Merlo (born 20 May 1950) is an Argentine football coach and former player, who played as a midfielder.

23 Jan

Jerusalem
The Knesset resolves that Jerusalem is the capital of Israel.
9 Feb

Joseph McCarthy
Second Red Scare: US Senator Joseph McCarthy accuses the United States Department of State of being filled with Communists.
13 May

Silverstone Circuit
The first round of the Formula One World Championship is held at Silverstone.
11 Jul

International Monetary Fund
Pakistan joins the International Monetary Fund and the International Bank.
11 Sep

Harry S. Truman
Korean War: President Harry S. Truman approved military operations north of the 38th parallel.