Waterloo Day

Waterloo Day (United Kingdom)

Public holidays in Cambodia

Queen Mother's Birthday (Cambodia)

Public holidays in Seychelles

National Day (Seychelles)

Public holidays in Azerbaijan

Human Rights Day (Azerbaijan)

Public holidays in the Philippines

Foundation Day (Benguet)

June 18 (Eastern Orthodox liturgics)

Christian feast day:
June 18 (Eastern Orthodox liturgics)

Mark and Marcellian

Christian feast day:
Mark and Marcellian

Marina the Monk

Christian feast day:
Marina the Monk (Maronite Church, Coptic Orthodox Church of Alexandria)

Leontius, Hypatius and Theodulus

Christian feast day:
Leontius, Hypatius and Theodulus

Gregorio Barbarigo

Christian feast day:
Gregorio Barbarigo

Elisabeth of Schönau

Christian feast day:
Elisabeth of Schönau

Bernard Mizeki

Christian feast day:
Bernard Mizeki (Anglican and Episcopal Church)

Autistic Pride Day

Autistic Pride Day (International)

Willie Mays

Willie Mays, American baseball player (born 1931)

Yoyong Martirez

Yoyong Martirez, Filipino basketball player (born 1946)