War) (Iraqi Kurdistan) Christian Feast Day: Altmann of Passau Cyriacus Dominic de Guzmán, founder of the Dominican Order. Four Crowned Martyrs Largus Mary MacKillop Saint Smaragdus (and companions) Severus of Vienne August 8 (Eastern Orthodox liturgics) Father's Day or Bā bā Day (爸爸節), Bā Bā is Mandarin for "father" and "8-8", or August 8. (Mongolia, Taiwan) Happiness Happens Day International Cat Day Namesday of the Queen (Sweden) Nane Nane Day (Tanzania) Signal Troops Day (Ukraine) References External links Days of the year August