Q: Answer this question:

when was noise pollution added to pollution list??

A: 1972


Q: Answer this question:

ukraine starts liquidation of legendary aircraft manufacturer antonov??

A: 19 July 2017


Q: Answer this question:

when did the war began between north vietnam and south vietnam??

A: 1 November 1955


Q: Answer this question:

when did the vegas golden knights become a team??

A:
March 1, 2017