2013
Belgium 2013: 100 years of the Royal Meteorological Institute
Finland 2013: 125 years - birthday of Frans Eemil Sillanpää
Finland 2013: 150 years of the Parliament of Finland
France 2013: 150th birthday of Pierre de Coubertin
France 2013: 50 years of the Élysée Treaty
Germany 2013: 50 years of the Élysée Treaty (A,D,F,J,G)
Germany 2013: Maulbronn Abbey (A,D,F,J,G)
Greece 2013: 100 years of Crete in Greece
Greece 2013: Plato's Academy
Italy 2013: 200th Birthday of Giuseppe Verdi
Italy 2013: 700th Birthday of Giovanni Boccacio
Luxembourg 2013: National Anthem of Luxembourg
Malta 2013: 1921 Introduction of new constitution
Monaco 2013: 20 Years of Monaco as a Member of the United Nations
Netherlands 2013: 200 years of the Kingdom of the Netherlands
Netherlands 2013: Announcement of the abdication
Portugal 2013: 250 years of Torre dos Clérigos in Porto
San Marino 2013: 500th anniversary of Pinturicchio's death
Slovakia 2013: St. Cyril and Methodius in Great Moravia
Slovenia 2013: Gotten of Postojna
Spain 2013: Monastery and site of Escorial
Vatican City 2013: Sede Vacante 2013
Vatican City 2013: 28th World Youth Day in Rio de Janeiro
