2011 500 years since the maiden voyage of Mary Rose	2011 Nativita	2011 Elk Calf
2011 20th anniversary of the formation of the Visegrad Group	2011 The 500th anniversary of the publication of the world-famous book Laus Stultitiae by Desiderus Erasmus	2011 Federal state of North Rhine-Westphalia
2011 50th anniversary of the appointment by the Grand-Duchess Charlotte of her son Jean as lieutenant-représentant	2011 UNESCO: Alhambra in Granada	2011 30th Anniversary of the Establishment of the Independent Students’ Union
2011 100th anniversary of the birth of Franc Rozman	2011 In Memory of the Victims of the 10 April 2010 Presidential Plane Crash in Smolensk	2011 150th anniversary of unification of Italy
2011 Beatification of John Paul II – 1 May 2011	2011 100th anniversary of International Women’s Day	2011 The Special Olympics World Summer Games — Athens 2011
2011 500th Anniversary of the birth of Giorgio Vasari	2011 30th anniversary of the Day of Music	2011 Poland’s Presidency of the Council of the European Union
2011 The wedding of Prince Albert and Charlene Wittstock	2011 Uhlan of the Second Republic of Poland	2011 Gdynia
2011 300th Anniversary of Warsaw Pilgrimage to the Marian Shrine of Jasna Góra in Częstochowa	2011 Czesław Miłosz (1911 - 2004)	2011 Mława
2011 Ignacy Jan Paderewski	2011 Silesian Uprisings	2011 500th annivesary of the birth of Fernão Mendes Pinto
2011 Constitutional history – first election of representatives in 1849	2011 Boreal Forest	2011 100th Anniversary of the Society for the Care of the Blind
2011 200th anniversary of Bank of Finland	2011 Łódź	2011 XXVI World Youth Day Madrid 2011
2011 Pauline Monastery on Skałka in Kraków	2011 Polonia Warszawa	2011 Jeremi Przybora, Jerzy Wasowski