May 20th, 1947
Philipp Lenard, Austrian physicist, Nobel laureate (born in 1862) dies on May 20, 1947. Read about how to open files in Open File Database.
Events around May 20, 1947
| May 22nd, 1947 | Event | Cold War: in an effort to fight the spread of Communism, 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. |
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