Holidays and observances
May 12
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Holidays and observances
Christian
feast day
:
Blessed
Joan of Portugal
[
1
]
Crispoldus
Dominic de la Calzada
[
1
]
Epiphanius of Salamis
[
1
]
Gregory Dix
(
Church of England
)
Blessed
Imelda Lambertini
[
1
]
Modoald
[
1
]
Nereus, Achilleus, Domitilla, and Pancras
[
1
]
Patriarch
Germanus I of Constantinople
(
Catholic
and
Eastern Church
)
[
1
]
Philip of Agira
[
1
]
Rictrude
[
1
]
International ME/CFS and Fibromyalgia Awareness Day
[
2
]
[
3
]
International Nurses Day
[
4
]
J. V. Snellman Day
or the Finnish Heritage Day (
Finland
)
[
5
]
^
a
b
c
d
e
f
g
h
i
Martyrologium Romanum (2004)
. Vatican City: Administrationem Patrimonii Sedis Apostolicae in Civitate Vaticana. 2004. pp.
282–
283
. Retrieved
May 9,
2026
.
^
"ME/CFS International Awareness Day"
.
Centers for Disease Control and Prevention
. April 28, 2022
. Retrieved
May 12,
2022
.
^
"May 12 is ME/CFS and Fibromyalgia International Awareness Day"
.
National Institutes of Health (NIH)
. May 12, 2017
. Retrieved
May 12,
2022
.
^
"International Nurses Day"
. International Council of Nurses. Archived from
the original
on May 12, 2022
. Retrieved
May 10,
2023
.
^
"J. V. Snellman – father of Finnish culture"
.
Finland abroad: Greece
. Retrieved
May 17,
2025
.