<prompt> Bhala okuqhubekayo kwalesi sigaba - Inhloko-dolobha yangaphambili yaseNingizimu Vietnam, iSaigon, yaqanjwa kabusha ngokusemthethweni ngokuthi iHo Chi Minh City ngoMeyi 1, 1975, usuku olulodwa ngemva kokuthunjwa kwayo  <response>: , okwaqeda ngokusemthethweni impi yaseVietnam. 