Simplify the following text for a Grade 7 native English-speaking person.
Original: After the end of World War II he was charged with murder by an US-military tribunal , found guilty , and was hanged on May 28 , 1947 .
Simplified: After the end of the World War II Wasicky was charged for murder by an US-military tribunal . On the May 13 , 1946 we has charged guilty and was executed in the prison of Landsberg by hanging on May 28 , 1947 .