Holidays and observances
April 4
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Holidays and observances

  1. ^ James, W. Martin (2018). Historical Dictionary of Angola. Rowman & Littlefield. p. 255. ISBN 978-1-5381-1123-9.
  2. ^ Administrator. "Speech by Ismet Ramadani, NATO day - 4th of April". www.atamacedonia.org.mk. Retrieved 2023-04-05.
  3. ^ NATO. "NATO Day marked across the Alliance". NATO. Retrieved 2023-04-05.