The traditional May 21 date is the Protestant feast day for Saint Helena, mother of Constantine I, and would not have been marked this day by the Portuguese, because they were members of the Catholic Church, and also because the island was discovered before the Reformation started. The discovery date is quoted as 3 May during the 16th/17th centuries, corresponding to the Catholic Feast day of the True Cross, a date that is closely linked to the name of Saint Helena. Bruce, Ian (2015). "St Helena Day"(PDF). Wirebird: The Journal of the Friends of St Helena (44): 32–46. Archived(PDF) from the original on October 9, 2022.
The traditional May 21 date is the Protestant feast day for Saint Helena, mother of Constantine I, and would not have been marked this day by the Portuguese, because they were members of the Catholic Church, and also because the island was discovered before the Reformation started. The discovery date is quoted as 3 May during the 16th/17th centuries, corresponding to the Catholic Feast day of the True Cross, a date that is closely linked to the name of Saint Helena. Bruce, Ian (2015). "St Helena Day"(PDF). Wirebird: The Journal of the Friends of St Helena (44): 32–46. Archived(PDF) from the original on October 9, 2022.
"Potresi na zagrebačkom području" ("Earthquakes in Zagreb Area"), by Veselin Simović, Građevinar, journal of the Croatian Association of Civil Engineers (2000) pp. 637–645
