Mass Murders in December

Considering it is the month of December and only one day before Christmas, I thought we should name all the massacres that have occurred in this month, I'll start:

Queens Street Massacre - 9 dead, 5 injured

Cairns child killings - 8 dead, 1 injured

2016 Berlin truck attack - 12 dead, 56 injured

2018 Strasbourg attack - 5 dead, 11 inured

TGV train and Marseille station bombings - 5 dead, 54 injured

École Polytechnique Massacre - 15 dead, 14 injured

Covina Massacre - 10 dead, 3 injured

Sandy Hook Elementary School shooting - 28 dead, 2 injured

2015 San Bernadino Shooting

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1993 Long Island Rail Road shooting (December 7th, 1993) - Deaths: 6, Injuries: 19

Wakefield massacre (December 26th, 2000) - Deaths: 7

Westroads Mall shooting (December 5th, 2007) - Deaths: 9, Injuries: 6

Campo Elías Delgado  (December 4th, 1986) - Deaths: 29, Injuries: 12

Ronald Gene Simmons (December 22nd - 28th, 1987) - Deaths: 16, Injuries 4

2011 Liège attack (December 13th, 2011) - Deaths: 7, Injuries: 125

Ronald Simmons is unusual as as he commited mass murder on 3 different days. He also killed the same amount of people as Michael Ryan, also in 1987.

Aztec School Shooting [You must be registered and logged in to see this link.]