01st

Matronalia (Roman)
St. David's Day
Roman New Year

Mar 01 Saint David

02nd

Mother's March (Bulgarian)
Caedda's Day
St. Chad's Day
Holy Wells' Day (Norse)
First Festival of Vesta (Roman)

03rd

Doll Festival (Japanese)
Aegir's Day (Teutonic)
St. Winnal's Day

04th

Feast of Rhiannon (Welsh)
Egyptian Day
Anthesteria (Greek)
Mothering Day (English)

Mar 04 Saint Casimir

05th

Celebration of Isis (North African)

06th

Mars' Day (Roman)

Mar 06 Discovery Day (Guam)

07th

Junonalia (Roman)

08th

New Moon
Feast of Hsi Wang Mu (Chinese)
Birthday of Mother Earth (Chinese)
International Women's Day

09th

Feast of the 40 Martyrs (Greek)
Celebration of Aphrodite and Adonis (Greek)

Mar 09 Holi (Hinduism)

Mar 09 Saint Frances of Rome

Mar 09 Fast of Esther (Purim)

10th

Holi (Indian)
Hypatia's Day (Greek)

Mar 10 Rang Panchami (Hinduism)

11th

Hercules' Day (Greek)

12th

Feast of Marduk (Mesopotamian)
St. Gregory's Day

Mar 12 King's Birthday (Libya)

Mar 12 Saint Gregory the Great

13th

Purification Feast (Balinese)

14th

Veturius Mamurius (Roman)
Diasia (Greek)

15th

Ides of March (Roman)
Rhea's Day (Greek)
Anna Perenna's Day
Holiday of Cybele (Anatolian, Roman)
Hana Matsuri (Japanese)

Mar 15 Ides of March

16th

Dionysos' Festival (Greek)
Loko Davi (Haitian Voodoo)
Bacchus' Day (Roman)

17th

St. Patrick's Day (Irish)
Festival of Astarte (Canaanite)
Liberalia (Roman)

Mar 17 Saint Patrick

18th

Sheelah's Day (Icelandic)
St. Edward the Martyr (Anglo-Saxon)

Mar 18 Sheelah's Day (Ireland)

19th

Day of Aganyu (Santeria)
Eyvind Kinnrifi (Odinist)
Athena's Day (Greek)
Minerva's Day (Roman)

Mar 19 Saint Joseph           

20th

Spring Equinox
Ostara (Wiccan)
Ala Festival (Nigerian)
Iduna's Day (Norse)
Alban Eilir
Spring Harvest Festival (Egyptian)

21st

Tea and Tephi Day (Irish)
Feast of San Gregorio (Mexican)
Festival of Kore and Demeter (Greece)

Mar 21 Naw-Rúz (Bahá'í)

Mar 21 Sham al-Naseem (Egypt)

Mar 21 Birthday of Benito Juárez (History)

22nd

Purim Begins (Jewish)

Mar 22 Arab League Day

23rd

Full Moon
Venus' Day
Summer Finding (Norse)
Palm Sunday
Purim Ends (Jewish)
Quinquatria (Roman)

24th

Britannia's Day
Heimdall's Day (Norse)

Mar 24 Gudi Padava (Hinduism)

Mar 24 Saint Gabriel

25th

Anunciation (Mexican)
Hilaria's Day (Roman)
Return of the Goddess
Mars and Neria (Roman)

Mar 25 Waffle Day (Sweden)

Mar 25 Annunciation

Mar 25 Saint Dismas

26th

Plowing Day (Slavic)

Mar 26 Independence Day (Bangladesh)

Mar 26 Fiesta del Arbol (Spain)

27th

Gauri (Hindu)
Smell the Breeze Day (Egyptian)
Lent Ends (Christian)

28th

Birthday of Kwan Yin (Chinese)
Good Friday (Christian)
Sacrifice at the Tombs (Roman)
Pallas' Day (Greek)

29th

Festival of Ishtar (Babylonian)
St. Mark's Day
Delphinia (Greece)
Expulsions of the Demons of Bad Luck (Tibetan)

Mar 29 Youth Day (Taiwan)

30th

Easter (Christian)
Janus and Concordia's Day (Roman)
Eostre's Day (Germanic)

31st

Luna (Roman)