Trafalgar Day

Trafalgar Day (the British Empire in the 19th and early 20th century)

Public holidays in Taiwan

Overseas Chinese Day (Republic of China)

Melchior Ndadaye

Ndadaye Day (Burundi)

Public holidays in Thailand

National Nurses' Day (Thailand)

Central Reserve Police Force

Indian Police Commemoration Day (India)

Public holidays in Egypt

Egyptian Naval Day (Egypt)

October 21 (Eastern Orthodox liturgics)

Christian feast day:
October 21 (Eastern Orthodox liturgics)

Viator of Lyons

Christian feast day:
Viator of Lyons

Saint Ursula

Christian feast day:
Ursula

Tuda of Lindisfarne

Christian feast day:
Tuda of Lindisfarne

Severinus of Bordeaux

Christian feast day:
Severinus of Bordeaux

Peter Yu Tae-chol

Christian feast day:
Peter Yu Tae-chol

Pedro Calungsod

Christian feast day:
Pedro Calungsod

Malchus of Syria

Christian feast day:
Malchus of Syria

Laura Montoya

Christian feast day:
Laura of Saint Catherine of Siena