Holidays and observances
April 30
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Holidays and observances

  1. ^ a b c d e f Martyrologium Romanum (2004). Vatican City: Administrationem Patrimonii Sedis Apostolicae in Civitate Vaticana. 2004. pp. 260–262. Retrieved 24 April 2026.
  2. ^ "Saint Pius V | pope | Britannica". www.britannica.com. Retrieved 23 April 2022.
  3. ^ "International Days". www.un.org. 6 January 2015. Retrieved 2 January 2021.
  4. ^ "Vakantierooster". Openbaar Lichaam Bonaire (in Dutch). Archived from the original on 26 January 2018. Retrieved 13 January 2022.