The holy day of the Tiber River was celebrated on May 15. It was a Roman festival when Vestals made sacrifices in honour of the Tiber River, thus ensuring a steady supply of water for the remainder of the cultivation period.
Holy day of Tiber River
(15 May)
Sources
- Jaczynowska Maria, Religie świata rzymskiego, Warszawa 1987
- Zieliński Tadeusz, Religia Rzeczypospolitej Rzymskiej






