May 1 | Law Day | May 1 | Loyalty Day | May 1 | First Day of Asian/Pacific American Heritage Month | May 2 | National Teacher Appreciation Day | May 3 | World Press Freedom Day | May 4 | Yom Ha'atzmaut | May 4 | National Day of Prayer | May 5 | Cinco de Mayo | May 6 | National Nurses Day | May 8 | World Red Cross and Red Crescent Day | May 8 | Victory in Europe Day | May 10 | Eid al-Adha | May 12 | International Nurses Day |
| | | May 14 | Mother's Day | May 15 | International Day of Families | May 15 | Peace Officers Memorial Day | May 18 | Lag BaOmer | May 19 | National Defense Transportation Day | May 20 | Armed Forces Day | May 22 | National Maritime Day | May 25 | African Liberation Day | May 25 | National Missing Children's Day | May 29 | Memorial Day | May 31 | Muharram | May 31 | World No Tobacco Day |
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