Holidays and observances
September 21
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Holidays and observances
Autumnal equinox
observances in the Northern Hemisphere,
vernal equinox
observances in the Southern Hemisphere (see
September 22
):
Spring Day (Argentina)
Christian
feast day
:
Cadoc
[
1
]
Ephigenia of Ethiopia
Laurent-Joseph-Marius Imbert
(one of the
Korean Martyrs
)
[
1
]
Matthew the Evangelist
(
Western Church
)
[
1
]
Maura of Troyes
[
1
]
Nativity of the Theotokos
(
Eastern Orthodox Church
,
Julian calendar
)
September 21 (Eastern Orthodox liturgics)
Arbor Day (Brazil)
Commemoration of the Declaration of Martial Law
(
Philippines
)
Customs Service Day
(
Poland
)
Founder's Day
and
National Volunteer Day
(
Ghana
)
Independence Day
, celebrates the independence of
Armenia
from the
Soviet Union
in 1991.
Independence Day
, celebrates the independence of
Belize
from the United Kingdom in 1981.
Independence Day
, celebrates the independence of
Malta
from the United Kingdom in 1964.
International Day of Peace
(
International
)
[
2
]
Student's Day (Bolivia)
Victory over the Golden Horde in the Battle of Kulikovo
(Russia)
^
a
b
c
d
Martyrologium Romanum (2004)
. Administrationem Patrimonii Sedis Apostolicae in Civitate Vaticana. 2004. p. 528-529
. Retrieved
19 September
2025
.
^
"International Days"
.
www.un.org
. 6 January 2015
. Retrieved
2 January
2021
.