Where did the Japanese machine gun 400 nurses on a beach? Not downplaying the horror of the incident in any way, but the atrocity you refer to sounds like Banka Island where 20 Australian nurses were machine gunned in early 1942 (and one, Sr Vivian Bulwinkel, survived).
NLA Australian Newspapers - article display
You do your argument no favours overstating the scale of the massacre.
As for Somali pirates... they should take a page from history and do a no hold barred carbon copy of what was done to the Barbary pirates quite some years ago now.