Waffle Day

Vårfrudagen or Våffeldagen, "Waffle Day" (Sweden, Norway & Denmark)

Tolkien fandom

Tolkien Reading Day

Candle demonstration in Bratislava

Struggle for Human Rights Day (Slovakia)

Quarter days

Quarter day (first of four) in Ireland and England.

New Zealand Army

NZ Army Day

Mother's Day

Mother's Day (Slovenia)

Medal of Honor Day

Medal of Honor Day (United States)

Maryland Day

Maryland Day (Maryland, United States)

International Day of the Unborn Child

International Day of the Unborn Child (international)

International Day of Solidarity with Detained and Missing Staff Members

International Day of Solidarity with Detained and Missing Staff Members (United Nations General Assembly)

International Day of Remembrance of the Victims of Slavery and the Transatlantic Slave Trade

International Day of Remembrance of the Victims of Slavery and the Transatlantic Slave Trade (international)

Freedom Day (Belarus)

Freedom Day (Belarus)

EU Talent Day

EU Talent Day (European Union)

Rastafari

Empress Menen's Birthday (Rastafari)

Public holidays in Russia

Cultural Workers Day (Russia)