<prompt> Qedela umusho olandelayo: Inhloko-dolobha yaseNingizimu Vietnam, iSaigon, yabizwa ngokusemthethweni ngokuthi iHo Chi Minh City ngo-May 1, 1975, usuku olulodwa ngemuva kokumiswa kwayo.  <response>: ukuthunjwa, okwaqeda impi yaseVietnam ngokusemthethweni. 