26 February 1852 British troopship, Birkenhead, sank off Simon’s Bay, near Cape Town, South Africa. Only 193 of the estimated 643 people on board survived, and the soldiers' chivalry gave rise to the unofficial "women and children first" protocol when abandoning ship.
HMS Birkenhead (1845), article from Wikipedia     https://en.wikipedia.org/wiki/HMS_Birkenhead_(1845)

THE BIRKENHEAD DRILL  -   Bill Malkin    https://www.youtube.com/watch?v=Hw6U3BTwFVE
THE BIRKENHEAD DRILL  -   Clansfolk     https://www.youtube.com/watch?v=a0dIFY40Dj0&list=RDa0dIFY40Dj0&start_radio=1
THE LOSS OF THE BIRKENHEAD  - Paul TJ O'Neill     nbsp; https://www.youtube.com/watch?v=icwLhT2na7Y&list=RDicwLhT2na7Y&start_radio=1
THE LOSS OF THE BIRKENHEAD  - Daniel Kelly    nbsp; https://www.youtube.com/watch?v=icwLhT2na7Y&list=RDicwLhT2na7Y&start_radio=1
THE WRECK OF THE BIRKENHEAD   nbsp; https://www.youtube.com/watch?v=tznODnPCEhY&list=RDtznODnPCEhY&start_radio=1
THE BIRKENHEAD STAND     https://www.youtube.com/watch?v=C9zbJ27UptI&list=RDC9zbJ27UptI&start_radio=1