May 3 – Jinan Incident, an armed conflict between the Japanese Imperial Army allied with Northern Chinese warlords against the Kuomintang's southern army, occurs in Jinan.
Fr Thomas Seed, the head of the Jesuits in Britain, who also founded Sacred Heart Church in Edinburgh laid the foundation stone of the church on 3 May 1860, what was then Feast of the Finding of the True Cross.
Some of the most important occur on New Year’s Day, Candlemas, Holy Week, especially Maundy Thursday, Day of the Holy Cross (May 3), feast of John the Baptist on 24 June, Day of the Dead and the posadas leading up to Christmas.