Complex sentence: Princess Fawzia of Egypt married Mohammad Reza Pahlavi (1919--1980), the then Crown Prince of Iran, at the Abdeen Palace in Cairo on 16 March 1939; after their honeymoon, the wedding ceremonies were repeated in Tehran.
Split into simpler sentences: Princess Fawzia of Egypt married Mohammad Reza Pahlavi (1919--1980), the then Crown Prince of Iran, at the Abdeen Palace in Cairo on 16 March 1939. After their honeymoon, the wedding ceremonies were repeated in Tehran.