Season for Nonviolence

Martyrdom of Mahatma Gandhi, and its related observances:
Start of the Season for Nonviolence (January 30 – April 4)

School Day of Non-violence and Peace

Martyrdom of Mahatma Gandhi, and its related observances:
School Day of Non-violence and Peace (Spain)

Martyrs' Day (India)

Martyrdom of Mahatma Gandhi, and its related observances:
Martyrs' Day (India)

Fred Korematsu Day

Fred Korematsu Day (California, Florida, Hawaii, Virginia)

Saudade

Day of Saudade (Brazil)

Public holidays in Azerbaijan

Day of Azerbaijani customs (Azerbaijan)

January 30 (Eastern Orthodox liturgics)

Christian Feast Day:
January 30 (Eastern Orthodox liturgics)

List of Teachers' Days

Christian Feast Day:
Three Holy Hierarchs (Eastern Orthodox), and its related observances:
Teacher's Day (Greece)

Savina of Milan

Christian Feast Day:
Savina

Mutien-Marie Wiaux

Christian Feast Day:
Mutien-Marie Wiaux

Matthias of Jerusalem

Christian Feast Day:
Matthias of Jerusalem

Martina of Rome

Christian Feast Day:
Martina

Hyacintha Mariscotti

Christian Feast Day:
Hyacintha Mariscotti

King Charles the Martyr

Christian Feast Day:
Charles, King and Martyr (various provinces of the Anglican Communion)

Balthild of Chelles

Christian Feast Day:
Balthild