What day of the week was June 20, 1771?

The day of the week June 20th, 1771 fell on was a Thursday.

Thomas Douglas the 5th Earl of Selkirk, Scottish politician, Lord Lieutenant of Kirkcudbright (d. 1820) was born on 20 June in 1771. As was Hermann von Boyen the Prussian general and politician, Prussian Minister of War (d. 1848) .