St Valentine's Day Massacre Documentary History Channel. Valentine's day 1929 marks the most infamous gangster mass murder in history, when mobsters al capone,. Web the st valentines day massacre has gone down in history as one of the most brutal gangland killings ever committed.

Web the saint valentine's day massacre. Web the st valentines day massacre has gone down in history as one of the most brutal gangland killings ever committed. Web on the seventh anniversary of the massacre, jack mcgurn, one of the valentine’s day hitmen, was killed in a crowded bowling alley with a burst of machine.