Event:
Giusseppi Verdi's "Aida" premieres in Cairo, at Suez canal opening
More Notable Events on December 24:
1992 President Bush pardons Caspar Weinberger in Iran-contra affair
1968 Apollo 8 astronauts read passages from Book of Genesis
1966 Luna 13 lands on Moon
1936 1st radioactive isotope medicine administered, Berkeley, California
1851 U.S. Library of Congress catches fire; 35,000 books burn
