X2331C - The History of the Calendar
1 Session | Registration opens 5/18/2026 10:00 AM MST (Arizona)
Why was February shortchanged; why is October the 10th month when 'oct' means eight; and why are there seven days in a week? Learn the answers by attending this presentation.
Murray Siegel
Murray is a retired mathematics teacher and USAF Vietnam War veteran with a passionate interest in math, data, history and politics. He writes for a number of periodicals including the San Tan Sun News.