Holidays and observances
August 21
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Holidays and observances
Christian
Feast Day
:
Abraham of Smolensk
(
Eastern Orthodox Church
)
Bernard of Alzira
[
1
]
Cyriaca
[
1
]
Euprepius of Verona
[
1
]
Maximilian of Antioch
Our Lady of Knock
Pope Pius X
[
1
]
Sidonius Apollinaris
[
1
]
Blessed
Victoire Rasoamanarivo
[
1
]
August 21 (Eastern Orthodox liturgics)
Ninoy Aquino Day
(
Philippines
)
Youth Day
(
Morocco
)
World Senior Citizen's Day
[
2
]
^
a
b
c
d
e
f
Martyrologium Romanum
. Vatican: Libreria Editrice Vaticana. 2004. pp.
463–
465
. Retrieved
4 August
2026
.
^
"World Senior Citizens Day: All you need to know about age-related macular degeneration"
.
Times Now
. August 21, 2018.