2 – Germany – 2023 – The 1275th anniversary of the birth of Charlemagne (748–814), King of the Franks and Holy Roman Emperor – D
2 – Germany – 2023 – The 1275th anniversary of the birth of Charlemagne (748–814), King of the Franks and Holy Roman Emperor – A
2 – Spain – 2023 – UNESCO: Cáceres
2 – Lithuania – 2023 – Together with Ukraine
2 – San Marino – 2023 – The 500th anniversary of the death of Perugino
2 – Finland – 2023 – Finland’s First Nature Conservation Act
2 – Latvia – 2023 – Ukraine Sunflower
2 – Vatican City – 2023 – The 5th Centenary of the death of Pietro Perugino
2 – Vatican City – 2023 – The 150th anniversary of the death of Alessandro Manzoni
2 – Spain – 2023 – The Spanish Presidency of the Council of the EU
