The saint valentines day massacre is the name given to the 1929 murder of seven mob associates as part of a prohibition era conflict between two powerful criminal gangs in chicago the south side italian gang led by al capone and the north side irish gang led by bugs moran t shirt design reads happy valentinesour crew neck short sleeved mens t shirts are 100 premium cotton in a soft pre shrunk jersey knit our womens t shirts are lighter weight 150g tees made with deluxe 30s soft sty