April 2024
  • Earth Day
  • 75 years of the Educational Film Studio in Łódź
  • 230th anniversary of the Kościuszko Uprising
  • National Day of Remembrance of Accursed Soldiers
  • 1st Polish Armoured Division - Odyssey of Liberty
  • Beneficial insects
  • Protected plants - Edelweiss
  • Europe - Underwater Fauna and Flora
  • 90 years of the Fryderyk Chopin Society in Warsaw