Feast of Saints Francis and Catherine
The patronal feast of Saint Francis and Saint Catherine (Italian: festa patronale di san Francesco e santa Caterina) is a religious and civil celebration annually held on 4 October in Italy and other locations influenced by Christianity. The Feast Day of Francis of Assisi marks the conclusion of the season of Creationtide in various Christian denominations that begins on the Feast of Creation (September 1).
Source: Wikipedia — Feast of Saints Francis and Catherine (CC BY-SA 4.0)