Holidays and observances
August 18
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Holidays and observances
Christian
feast day
:
Agapitus of Palestrina
[
1
]
Alberto Hurtado
[
1
]
Daig of Inniskeen
Evan (or Inan)
Fiacre
Florus and Laurus
Helena of Constantinople
(
Roman Catholic Church
)
[
1
]
August 18 (Eastern Orthodox liturgics)
Arbor Day (Pakistan)
Armed Forces Day (North Macedonia)
Birthday of Virginia Dare
(
Roanoke Island
)
Constitution Day (Indonesia)
Long Tan Day
, also called Vietnam Veterans' Day (
Australia
)
National Science Day (Thailand)
^
a
b
c
Martyrologium Romanum
. Vatican: Libreria Editrice Vaticana. 2004. pp.
461–
462
. Retrieved
13 June
2026
.