1981 Calendar with National Holidays, Optional Days Off, and Commemorative Dates in the United States.
May 1981
| Monday | Tuesday | Wednesday | Thursday | Friday | Saturday | Sunday |
|---|---|---|---|---|---|---|
| 1121 | 2122 | 3123 | ||||
| 4124 | 5125 | 6126 | 7127 | 8128 | 9129 | 10130 |
| 11131 | 12132 | 13133 | 14134 | 15135 | 16136 | 17137 |
| 18138 | 19139 | 20140 | 21141 | 22142 | 23143 | 24144 |
| 25145 | 26146 | 27147 | 28148 | 29149 | 30150 | 31151 |
May Holidays and Commemorative Dates
- 10 - Mother's Day
- 25 - Memorial Day
Holidays and Commemorative Dates in May 1981
May 1981 observances Holiday
Optional
| Date | Day | Description |
|---|---|---|
| 1 | Fri | Global Love Day |
| 1 | Fri | Law Day |
| 1 | Fri | Lei Day |
| 1 | Fri | Loyalty Day |
| 1 | Fri | May Day |
| 1 | Fri | No Pants Day |
| 1 | Fri | School Principals’ Day |
| 2 | Sat | Astronomy Day |
| 2 | Sat | International Harry Potter Day |
| 2 | Sat | Kentucky Derby |
| 2 | Sat | World Password Day |
| 2 | Sat | World Tuna Day |
| 3 | Sun | National Paranormal Day |
| 3 | Sun | National Space Day |
| 3 | Sun | St Thomas Day |
| 3 | Sun | World Press Freedom Day |
| 4 | Mon | Free Comic Book Day |
| 4 | Mon | Haymarket Riot |
| 4 | Mon | Join Hands Day |
| 4 | Mon | Kent State Shootings |
| 4 | Mon | National Explosive Ordnance Disposal (EOD) Day |
| 4 | Mon | Rhode Island Independence Day |
| 4 | Mon | Star Wars Day |
| 5 | Tue | African World Heritage Day |
| 5 | Tue | Cinco de Mayo |
| 5 | Tue | International Day of the Midwife |
| 5 | Tue | National Lemonade Day |
| 5 | Tue | World Laughter Day |
| 5 | Tue | World Portuguese Language Day |
| 6 | Wed | International No Diet Day |
| 6 | Wed | National Nurses Day |
| 6 | Wed | National Tourist Appreciation Day |
| 7 | Thu | National Day of Prayer |
| 7 | Thu | National Foster Care Day |
| 7 | Thu | Teacher’s Day |
| 8 | Fri | Buddha Day |
| 8 | Fri | International Thalassaemia Day |
| 8 | Fri | National Have a Coke Day |
| 8 | Fri | National Receptionists Day |
| 8 | Fri | National Student Nurse Day |
| 8 | Fri | Truman Day |
| 8 | Fri | Victory in Europe Day |
| 8 | Fri | World Red Cross Day |
| 10 | Sun | Military Spouse Appreciation Day |
| 10 | Sun | Mother's Day |
| 10 | Sun | National Clean Your Room Day |
| 10 | Sun | National Golf Day |
| 10 | Sun | National Provider Day |
| 10 | Sun | World Lupus Day |
| 11 | Mon | Fair Trade Day |
| 11 | Mon | National Eat What You Want Day |
| 11 | Mon | Pullman Strike |
| 11 | Mon | World Migratory Bird Day |
| 12 | Tue | International Nurses Day |
| 12 | Tue | National Limerick Day |
| 13 | Wed | National Apple Pie Day |
| 13 | Wed | National Third Shift Workers Day |
| 13 | Wed | world cocktail day |
| 14 | Thu | Jamestown Colony Founded |
| 15 | Fri | International Day of Families |
| 15 | Fri | National Pizza Party Day |
| 15 | Fri | Peace Officers Memorial Day |
| 16 | Sat | Armed Forces Day |
| 16 | Sat | International Day of Light |
| 17 | Sun | Bike-to-Work Day |
| 17 | Sun | Endangered Species Day |
| 17 | Sun | Malcolm X Day |
| 17 | Sun | World Hypertension Day |
| 18 | Mon | International Museum Day |
| 18 | Mon | National Learn to Swim Day |
| 18 | Mon | National No Dirty Dishes Day |
| 18 | Mon | Preakness Stakes |
| 18 | Mon | World Whisky (Whiskey) Day |
| 19 | Tue | World Baking Day |
| 20 | Wed | Homestead Act |
| 20 | Wed | National Be a Millionaire Day |
| 20 | Wed | National Defense Transportation Day |
| 20 | Wed | National Rescue Dog Day |
| 20 | Wed | Whit Monday |
| 20 | Wed | World Bee Day |
| 21 | Thu | International Tea Day |
| 21 | Thu | National Memo Day |
| 21 | Thu | National Talk Like Yoda Day |
| 21 | Thu | National Waitstaff Day |
| 21 | Thu | World Day for Cultural Diversity for Dialogue and Development |
| 22 | Fri | Harvey Milk Day |
| 22 | Fri | International Day for Biological Diversity |
| 22 | Fri | National Maritime Day |
| 22 | Fri | World Goth Day |
| 23 | Sat | World Turtle Day |
| 24 | Sun | National Brother's Day |
| 24 | Sun | National Scavenger Hunt Day |
| 24 | Sun | World Schizophrenia Day |
| 25 | Mon | Memorial Day |
| 25 | Mon | National Missing Children’s Day |
| 25 | Mon | National Wine Day |
| 26 | Tue | National Paper Airplane Day |
| 27 | Wed | National Sunscreen Day |
| 28 | Thu | Ascension Day |
| 28 | Thu | National Brisket Day |
| 28 | Thu | National Burger Day |
| 28 | Thu | World Blood Cancer Day |
| 29 | Fri | International Day of United Nations Peacekeepers |
| 29 | Fri | Learn About Composting Day |
| 30 | Sat | National Creativity Day |
| 30 | Sat | Red Nose Day (Comic Relief) |
| 30 | Sat | World Multiple Sclerosis Day |
| 31 | Sun | National Smile Day |
| 31 | Sun | World No Tobacco Day |