May 20, 2023

Armed Forces Day (Third Saturday in May)

Celebrated in: Egypt, Honduras, Liberia, Mali, Myanmar, Sao Tome and Principe, United States

Black Ships Festival (Third weekend in May in Shimoda, Japan; last full weekend in July in Rhode Island)

Boston Pops (First week in May through middle of July)

Calaveras County Fair and Frog Jumping Jubilee (Third weekend in May)

Cameroon National Day

Dulcimer Days (Third weekend in May)

East Timor Independence Day

Emancipation Day

Celebrated in: Bahamas, Barbados, Canada, Dominica, Grenada, Jamaica, St. Kitts and Nevis, St. Lucia, St. Vincent and the Grenadines, Suriname, Tonga, Trinidad and Tobago, United States
Florida, Kansas, Puerto Rico, Texas

Flores de Mayo (May)

Celebrated in: El Salvador, Philippines

Kingsburg Swedish Festival (Third weekend in May)

Maifest (Third weekend in May)

Mecklenburg Independence Day

National Family Month (Second Sunday in May through the third Sunday in June)

Preakness Stakes (Third Saturday in May)

Independence Day	Timor-Leste
National Day	Cameroon