On this day in 1982, the Irish National Liberation Army bombed a pub frequented by British soldiers in Ballykelly, Northern Ireland, killing eleven soldiers and six civilians.
On this day in 1989, Marc Lépine, an anti-feminist gunman, murdered 14 young women at the École Polytechnique in Montreal.
On this day in 2006, NASA revealed photographs taken by Mars Global Surveyor suggesting the presence of liquid water on Mars.
On this day in 2015,Venezuelan elections were held. For the first time in 17 years the United Socialist Party of Venezuela lost its majority in parliament.