On this day in 1947, reports were broadcast that a UFO had crash landed in Roswell, New Mexico in what became known as the Roswell Incident.
On this day in 1970, US President Richard Nixon delivered a special congressional message enunciating Native American self-determination as official US Indian policy, leading to the Indian Self-Determination and Education Assistance Act of 1975.
On this day in 1994, Kim Jong-il began to assume supreme leadership of North Korea upon the death of his father, Kim Il-sung.
On this day in 2014, Israel launched an offensive on Gaza amid rising tensions following the killing of Israeli teenagers.