monday
U.S. Presidential elections are always on the first Tuesday of November, and Congressional elections are also typically held on the first Tuesday after the first Monday in November.
Sunday has always been the first day of the week.
Yes, you always capitalize a day of the week.
Mothers day always falls on a Sunday !
thursday
Only the presidential election is always held on the same day. Most others will vary but will be around the same time.
You cannot find in any literature who came up with National Trail Mix Day, and although it's listed as a "National" holiday, it is not in any of the Congressional or Presidential records.
February and March always start on the same day of the week.
It has always been the first day of the week. See the related question below.
President's Day is always the third Monday in February.
Always the closest week day following St. Patrick's day.
Bastille Day is always celebrated on July 14, regardless of the day of the week. For 2010, July 14 was on a Wednesday.
Tuesdays. Tuesdays are always bad.