Here is a list of days of observance in May.
May Awareness Days
Daily Holidays and Observances
May 1: May Day, Mother Goose Day, Law Day, Make a Book Day, World Laughter Day* (first Sunday)
May 2: Sibling Appreciation Day, Teacher Appreciation Day* (Tuesday of first full week)
May 3: Sun Day, Kite Day
May 4: Intergalactic Star Wars Day, National Weather Observers Day
May 5: Museum Lovers Day, Cartoonist Day, National Day of Reason* (first Thursday)
May 6: No Homework Day, International Space Day* (first Friday), Tuba Day (first Friday)
May 7: Space Day* (first Saturday)
May 8: Mother’s Day, V E Day
May 9: National Children’s Mental Health Awareness Day, Peter Pan Day
May 10: Windmill Day
May 11: Eat What You Want Day
May 12: Limerick Day, International Migratory Bird Day
May 13: Frog Jumping Day, Tulip Day, Blame Someone Else Day* (first Friday 13th of the year)
May 14: Star Wars Day, Stars and Stripes Forever Day
May 15: International Day of Families, Over the Rainbow Day
May 16: Biographer’s Day
May 17: World Telecommunications Day
May 18: International Museum Day
May 20: Endangered Species Day* (third Friday
May 21: Armed Forces Day* (third Saturday)
May 22: National Maritime Day
May 23: World Turtle Day
May 24: Scavenger Hunt Day
May 25: Nerd or Geek Pride Day
May 30: Memorial Day* (last Monday)
National Family Reading Week (first week)
Children’s Mental Health Week (first full week)
Teacher Appreciation Week (first full week, M-F)
Children’s Book Week (May 2-8)
Screen Free Week (May 2-8)
Wildflower Week (May 2-8)
Astronomy Week (May 9-15)
Reading is Fun Week (second full week)
National Backyard Games Week (week before Memorial Day)
Creative Beginnings Month
Latino Books Month
National Pet Month
National Photo Month
National Mental Health Month
National Military Appreciation Month
National Wild Fire Awareness Month
National Inventors Month
Young Achievers of Tomorrow Month
National Family Month