May 2023
  • 80. Tour de Pologne
  • Sacred art
  • 100th anniversary of the service of the future Pope Paul VI at the Nunciature in Poland
  • 250th anniversary of the start of construction of the Bydgoszcz Canal
  • Polish Eastern Carpathians
  • 100th anniversary of the establishment of the Institute for the Study of Recent Polish History
  • 100th anniversary of the Polish Hunting Association
  • Saints and blessed