On this day:

1955 Austrian State Treaty came to force, establishing it as a sovereign country

1982 Prime Minister Indira Gandhi’s first visit to the US in almost 11 years

Born on this day:

1824 Alexandre Dumas, French author

Gone on this day:

1990 Salim Ali, Indian Ornithologist (Birdman of India), dies at 90

2015 A. P. J. Abdul Kalam, Indian scientist, politician, 11th President of India