List down important points about prisoners and events from the given passage
1. On December 13, 1922, the first known interment took place.
2. At the nearby detention centre during World War 2, 44 German and 7 Italian prisoners died and were buried there.
3. Four Chinese pilots are also interred at the cemetery beside these POWs.
4. Twenty general officers and three Medal of Honor recipients are buried at the cemetery as of July 22.