Holidays and Observances
- April 15 or the following Monday (if it falls on the weekend) is the deadline for Americans to file their tax returns. Post offices across the United States stay open until midnight to accommodate the procrastinators.
- Roman Empire - the Fordicia was celebrated in honor of Terra
- Ancient Latvia - Tipsa Diena observed
April 14 - April 16 - March 15 - May 15 -- listing of all days
January, February, March, April, May, June, July, August, September, October, November, December