National Veterans' Day

National Veterans' Day (Finland)

Koningsdag

King's Day (Netherlands, Aruba, Curaçao, Sint Maarten) (celebrated on April 26 if April 27 falls on a Sunday)

Freedom Day (South Africa)

Freedom Day (South Africa)

Public holidays in Moldova

Flag Day (Moldova)

Public holidays in Slovenia

Day of the Uprising Against the Occupying Forces (Slovenia)

Public holidays in Russia

Day of Russian Parliamentarism (Russia)

April 27 (Eastern Orthodox liturgics)

Christian feast days:
April 27 (Eastern Orthodox liturgics)

Origen

Christian feast days:
Origen Adamantius

Zita

Christian feast days:
Zita

Virgin of Montserrat

Christian feast days:
Virgin of Montserrat, co-patroness of Catalonia

Pollio of Cybalae

Christian feast days:
Pollio

Pedro Armengol

Christian feast days:
Pedro Armengol

Beatification

Christian feast days:
Blessed Osanna of Cattaro

Beatification

Christian feast days:
Blessed María Antonia Bandrés Elósegui

Liberalis of Treviso

Christian feast days:
Liberalis of Treviso