The original Patriots Day isn't the only edition of the holiday to have been marked with bloodshed. In the case of the Oklahoma City bombing -- and some say the Columbine shootings -- April 19 also held particular significance for another reason: the Waco raid anniversary. The federal meddling that led to the botched raid and the deaths of 76 people, the thinking goes, is exactly the same as the tyranny that American patriots fought to repel three centuries ago. In 2013, Patriots Day again turned violent when two pressure cooker bombs went off near the Boston Marathon finish line [sources: Grinberg,Fantz]. … [Read more...] about Is April the Most Violent Month?