World Elephant Day

World Elephant Day (International)

Sea Org

Sea Org Day (Scientology)

Russian Air Force Day

Russian Air Force Day (Russia)

International Youth Day

International Youth Day (United Nations)

Sirikit

HM the Queen Mother's Birthday and National Mother's Day (Thailand)

Glorious Twelfth

Glorious Twelfth (United Kingdom)

August 12 (Eastern Orthodox liturgics)

Christian feast day:
August 12 (Eastern Orthodox liturgics)

Porcarius II

Christian feast day:
Porcarius II

Muiredach of Killala

Christian feast day:
Muiredach (or Murtagh)

Jane Frances de Chantal

Christian feast day:
Jane Frances de Chantal

Jænberht

Christian feast day:
Jænberht

Pope Innocent XI

Christian feast day:
Pope Innocent XI

Herculanus of Brescia

Christian feast day:
Herculanus of Brescia

Eusebius (bishop of Milan)

Christian feast day:
Eusebius of Milan

Euplius of Catania

Christian feast day:
Euplius