World Humanitarian Day

World Humanitarian Day

National Aviation Day

National Aviation Day (United States)

Public holidays in the Philippines

Manuel Luis Quezón Day (Quezon City and other places in the Philippines named after Manuel L. Quezon)

August 19 (Eastern Orthodox liturgics)

Christian Feast Day:
August 19 (Eastern Orthodox liturgics)

Sebaldus

Christian Feast Day:
Sebaldus

Magnus of Avignon

Christian Feast Day:
Magnus of Avignon

Magnus of Trani

Christian Feast Day:
Magnus of Anagni

Saint Maginus

Christian Feast Day:
Maginus

Louis of Toulouse

Christian Feast Day:
Louis of Toulouse

John Eudes

Christian Feast Day:
Jean-Eudes de Mézeray

Transfiguration of Jesus

Christian Feast Day:
Feast of the Transfiguration (Julian calendar), and its related observances:
Saviour's Transfiguration, popularly known as the "Apples Feast" (Russian Orthodox Church and Georgian Orthodox Church)

Buhe

Christian Feast Day:
Feast of the Transfiguration (Julian calendar), and its related observances:
Buhe (Ethiopian Orthodox Tewahedo Church and Eritrean Orthodox Tewahedo Church)

Ezequiél Moreno y Díaz

Christian Feast Day:
Ezequiél Moreno y Díaz

Saint Calminius

Christian Feast Day:
Saint Calminius

Bertulf of Bobbio

Christian Feast Day:
Bertulf of Bobbio