Holidays and observances
September 18
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Holidays and observances
Christian
feast day
:
Constantius (Theban Legion)
Edward Bouverie Pusey
(
Episcopal Church
)
Eustorgius I
Joseph of Cupertino
Juan Macias
Methodius of Olympus
Richardis
September 18 (Eastern Orthodox liturgics)
Day of National Music
(
Azerbaijan
)
Island Language Day
(
Okinawa Prefecture
, Japan)
National Day
or
Dieciocho
(
Chile
)
National HIV/AIDS and Aging Awareness Day
(
United States
)
Navy Day
(
Croatia
)
World Water Monitoring Day