Complex sentence: Called Gia Long Palace before the Fall of Saigon, it was the residence of President of the Republic of Vietnam Ngô Đình Diệm from 27 February 1962 onwards.
Split into simpler sentences: Called Gia Long Palace before the Fall of Saigon. It was the residence of President of the Republic of Vietnam Ngô Đình Diệm from 27 February 1962 onwards.