September 5

Sarvepalli Radhakrishnan, philosopher of Advaita Vedanta and interpreter of Indian thought to the West, was born on this day in 1888; India marks it as Teachers' Day.

Mother Teresa of Calcutta, founder of the Missionaries of Charity, died in Kolkata (Calcutta), India.

NASA launched the Voyager 1 probe from Cape Canaveral toward the outer Solar System; it went on to survey Jupiter and Saturn and later became the most distant human-made object from Earth.