January 4 is observed in Angola as the Day of the Martyrs of Colonial Repression, commemorating those who died during protests against forced labor in 1961.
- Cassule – A name of Angolan origin, most closely associated with António Mariano Cassule, one of the nationalists killed during the events of January 1961. It symbolizes sacrifice and the fight for independence.
- Domingos – The Portuguese form of Dominic, from the Latin Dominicus, meaning of the Lord or belonging to God. It is also a common given name across Lusophone countries.
