WHAT ALL HAPPENED APRIL TO MAY 1947
Find out what all happened April to May 1947

Thor Heyerdahl and five crew mates set out from Peru on the Kon-Tiki to prove that Peruvian natives could have settled Polynesia. (28. April 1947)

In Nevada, the Boulder Dam is renamed the Hoover Dam a second time. (30. April 1947)

Bernard Baruch coins the term "Cold War" to describe the relationship between the United States and the Soviet Union. (16. April 1947)

Paul becomes king of Greece, on the death of his childless elder brother, George II. (1. April 1947)

The first Tony Awards are presented for theatrical achievement. (6. April 1947)

The Journey of Reconciliation, the first interracial Freedom Ride begins through the upper South in violation of Jim Crow laws. The riders wanted enforcement of the United States Supreme Court's 1946 Irene Morgan decision that banned racial segregation in interstate travel. (9. April 1947)

The Glazier–Higgins–Woodward tornadoes kill 181 and injure 970 in Texas, Oklahoma, and Kansas. (9. April 1947)

Texas City Disaster: An explosion on board a freighter in port causes the city of Texas City, Texas, to catch fire, killing almost 600. (16. April 1947)

Cold War: in an effort to fight the spread of Communism, the U.S. President Harry S. Truman signs an act into law that will later be called the Truman Doctrine. The act grants $400 million in military and economic aid to Turkey and Greece, each battling an internal Communist movement. (22. May 1947)

Portella della Ginestra massacre against May Day celebrations in Sicily by the bandit and separatist leader Salvatore Giuliano; 11 persons are killed and 33 wounded. (1. May 1947)

Jackie Robinson debuts for the Brooklyn Dodgers, breaking baseball's color line. (15. April 1947)