What day of the week was January 30, 1661?

The day of the week January 30th, 1661 fell on was a Sunday.

Charles Rollin the French historian and educator (d. 1741) was born on 30 January in 1661.

Oliver Cromwell the Lord Protector of the Commonwealth of England is ritually executed two years after his death, on the anniversary of the execution of the monarch he himself deposed.