DateNameLocation / Topic
Saturday, May 18
Day of Revival, Unity, and the Poetry of Magtymguly Day of Revival, Unity, and the Poetry of Magtymguly
Saturday, May 18
Flag Day/University Day Flag Day/University Day
Saturday, May 18
International Museum Day International Museum Day
Saturday, May 18
Battle of Las Piedras Battle of Las Piedras
Saturday, May 18
National HIV Vaccine Awareness Day National HIV Vaccine Awareness Day
Saturday, May 18
National Visit Your Relatives Day National Visit Your Relatives Day
Saturday, May 18
National No Dirty Dishes Day National No Dirty Dishes Day
Saturday, May 18
National Cheese Soufflé Day National Cheese Soufflé Day
Saturday, May 18
National Learn to Swim Day National Learn to Swim Day
Saturday, May 18
Armed Forces Day Armed Forces Day
Saturday, May 18
Pentecost Eve Pentecost Eve
Saturday, May 18
Europe Day Europe Day
Saturday, May 18
Astronomy Day Astronomy Day
Saturday, May 18
World Whisky Day World Whisky Day
Saturday, May 18
World Fiddle Day World Fiddle Day
Saturday, May 18
Plant A Lemon Tree Day Plant A Lemon Tree Day
Sunday, May 19
Commemoration of Atatürk, Youth and Sports Day Commemoration of Atatürk, Youth and Sports Day
Sunday, May 19
National Devil’s Food Cake Day National Devil’s Food Cake Day
Sunday, May 19
Take Your Parents To The Playground Day Take Your Parents To The Playground Day
Sunday, May 19
Pentecost / Whit Sunday Pentecost / Whit Sunday
Sunday, May 19
National May Ray Day National May Ray Day
Sunday, May 19
World Baking Day World Baking Day
Sunday, May 19
International Heritage Breeds Week International Heritage Breeds Week
Monday, May 20
Restoration of Independence Day Restoration of Independence Day
Monday, May 20
National Day National Day
Monday, May 20
National Be a Millionaire Day National Be a Millionaire Day
Monday, May 20
National Pick Strawberries Day National Pick Strawberries Day
Monday, May 20
National Rescue Dog Day National Rescue Dog Day
Monday, May 20
National Quiche Lorraine Day National Quiche Lorraine Day
Monday, May 20
Whit Monday Whit Monday
Monday, May 20
Victoria Day
Canada (All Except NS, PE, QC)
Victoria Day
Monday, May 20
National Patriots' Day
Canada (Quebec)
National Patriots' Day
Monday, May 20
Discovery Day Discovery Day
Monday, May 20
World Autoimmune / Autoinflammatory Arthritis Day World Autoimmune / Autoinflammatory Arthritis Day
Monday, May 20
Day of Remembrance Day of Remembrance
Monday, May 20
World Bee Day World Bee Day
Monday, May 20
Italian Beef Week Italian Beef Week
Monday, May 20
Weights & Measures Day Weights & Measures Day
Tuesday, May 21
World Day for Cultural Diversity for Dialogue and Development World Day for Cultural Diversity for Dialogue and Development
Tuesday, May 21
Navy Day Navy Day
Tuesday, May 21
Independence Day Independence Day
Tuesday, May 21
Talk Like Yoda Day Talk Like Yoda Day
Tuesday, May 21
Saint Helena's Day Saint Helena's Day
Tuesday, May 21
National American Red Cross Founder’s Day National American Red Cross Founder’s Day
Tuesday, May 21
National Waitstaff Day National Waitstaff Day
Tuesday, May 21
National Strawberries and Cream Day National Strawberries and Cream Day
Tuesday, May 21
National Memo Day National Memo Day
Tuesday, May 21
International Tea Day International Tea Day
Tuesday, May 21
I Need A Patch For That Day I Need A Patch For That Day
Tuesday, May 21
World Meditation Day World Meditation Day
Tuesday, May 21
Rapture Party Day Rapture Party Day
Wednesday, May 22
International Day for Biological Diversity International Day for Biological Diversity
Wednesday, May 22
Unity Day Unity Day
Wednesday, May 22
Independence Day (2nd Day) Independence Day (2nd Day)
Wednesday, May 22
National Maritime Day National Maritime Day
Wednesday, May 22
National Craft Distillery Day National Craft Distillery Day
Wednesday, May 22
National Solitaire Day National Solitaire Day
Wednesday, May 22
National Buy a Musical Instrument Day National Buy a Musical Instrument Day
Wednesday, May 22
National Vanilla Pudding Day National Vanilla Pudding Day
Wednesday, May 22
Emergency Medical Services for Children Day Emergency Medical Services for Children Day
Wednesday, May 22
Harvey Milk Day
United States (California)
Harvey Milk Day
Wednesday, May 22
World Goth Day World Goth Day
Wednesday, May 22
Sherlock Holmes Day Sherlock Holmes Day
Thursday, May 23
International Day to End Obstetric Fistula International Day to End Obstetric Fistula
Thursday, May 23
Labor Day / May Day Labor Day / May Day
Thursday, May 23
Constitution Day Constitution Day
Thursday, May 23
World Turtle Day World Turtle Day
Thursday, May 23
National Lucky Penny Day National Lucky Penny Day
Thursday, May 23
National Taffy Day National Taffy Day
Thursday, May 23
Vlach’s National Day (for Vlach community) Vlach’s National Day (for Vlach community)
Thursday, May 23
Wesak - Buddha Day Wesak - Buddha Day
Thursday, May 23
Buddha Purnima Buddha Purnima
Thursday, May 23
Buddha Purnima/Vesak Buddha Purnima/Vesak
Thursday, May 23
Vesak Full Moon Poya Day Vesak Full Moon Poya Day
Friday, May 24
Culture and Literacy Day Culture and Literacy Day
Friday, May 24
The Battle of Pichincha The Battle of Pichincha
Friday, May 24
Independence Day Independence Day
Friday, May 24
National Aviation Maintenance Technician Day National Aviation Maintenance Technician Day
Friday, May 24
Brother’s Day Brother’s Day
Friday, May 24
National Scavenger Hunt Day National Scavenger Hunt Day
Friday, May 24
National Escargot Day National Escargot Day
Friday, May 24
National Don’t Fry Day National Don’t Fry Day
Friday, May 24
Commonwealth Day Commonwealth Day
Friday, May 24
Saints Cyril and Methodius' Day Saints Cyril and Methodius' Day
Friday, May 24
International Tiara Day International Tiara Day
Friday, May 24
National Asparagus Day National Asparagus Day
Friday, May 24
National Title Track Day National Title Track Day