What day of the week was January 21, 1525?

The day of the week January 21st, 1525 fell on was a Wednesday.

The Swiss Anabaptist Movement is founded when Conrad Grebel the Felix Manz, George Blaurock, and about a dozen others baptize each other in the home of Manz's mother in Zürich, breaking a thousand-year tradition of church-state union.