Kha b-Nisan

Kha b-Nisan, the Assyrian New Year (Assyrian people)

Fossil Fools Day

Fossil Fools Day

Edible Book Festival

Edible Book Day

Public holidays in Cyprus

Cyprus National Day (Cyprus)

Public holidays in Thailand

Civil Service Day (Thailand)

Arbor Day

Arbor Day (Tanzania)

Odisha Day

Odisha Day (Odisha, India)

April Fools' Day

April Fools' Day

April 1 (Eastern Orthodox liturgics)

Christian feast day:
April 1 (Eastern Orthodox liturgics)

Walaric

Christian feast day:
Walric, abbot of Leuconay

Theodora (Roman martyr)

Christian feast day:
Theodora

Tewdrig

Christian feast day:
Tewdrig

Melito of Sardis

Christian feast day:
Melito of Sardis

Mary of Egypt

Christian feast day:
Mary of Egypt

F. D. Maurice

Christian feast day:
Frederick Denison Maurice (Church of England)