On This Day: December 19th

Russian ambassador to Turkey Andrei Karlov is assassinated while at an art exhibition in Ankara. The assassin, Mevlüt Mert Altıntaş, is shot and killed by a Turkish guard.

A vehicular attack in Berlin, Germany, kills 12 and injures 56 people at a Christmas market.

Spacecraft Gaia is launched by the European Space Agency.

Park Geun-hye is elected the first female president of South Korea.

Chalk's Ocean Airways Flight 101 crashes into the Government Cut channel immediately after takeoff from Miami Seaplane Base, killing 20.

A passenger train from Sucha Beskidzka to Żywiec in Poland loses its brakes while on a steep downhill part of the route. It is stopped in a controlled collision in Świnna by a train travelling in opposite direction. 2 drivers and 6 passengers are injured.

Argentine economic crisis: December riots: Riots erupt in Buenos Aires, Argentina.

Space Shuttle Discovery is launched on STS-103, the third Hubble Space Telescope servicing mission.

President Bill Clinton is impeached by the United States House of Representatives, becoming the second president of the United States to be impeached.

SilkAir Flight 185 crashes into the Musi River, near Palembang in Indonesia, killing 104.