What day of the week was December 29, 1170?

The day of the week December 29th, 1170 fell on was a Tuesday.

Thomas Becket the English archbishop (b. 1118) died on this day in 1170.

Thomas Becket the Archbishop of Canterbury, is assassinated inside Canterbury Cathedral by followers of King Henry II; he subsequently becomes a saint and martyr in the Anglican Church and the Catholic Church.