Marian hymn. The resulting modern version has been sung in Polish churches ever since, with the final verse alternating between "Return..." and "Bless, Oh Lord, our free Fatherland", depending on Poland's political situation. Warszawianka (The Song of Warsaw, 1831) Originally written in 1831 by Casimir Delavigne in French as La Varsovienne, with melody composed by Karol Kurpiński. The song praised the November Uprising of 1830 and, translated into Polish by Karol Sienkiewicz, it became the most popular song of the uprising and is still performed by Polish military bands today. Gdy naród do boju (When the Nation Fights) A patriotic socialist song written in 1835 by Gustaw Ehrenberg to the melody of an aria from Wolfgang Amadeus Mozart's opera Don Juan. The lyrics denounce the loyalist attitude of Polish magnates, noblemen and clergy during the failed November Uprising of 1830. The song was popular with members of Polish socialist and agrarian movements and became an anthem of the Polish People's Army during World War II. Warszawianka (The Song of Warsaw or Whirlwinds of Danger, 1905) A revolutionary song written in 1879 by socialist Wacław Święcicki imprisoned in the Warsaw Citadel. First sung in the streets of Warsaw in 1885, it became particularly popular during the Revolution of 1905. Its popularity spread to Russia proper and from there to Germany, France and Spain, where it became known as A las barricadas (To the Barricades), the anarchist anthem of the Spanish Civil War. Rota (The oath) (1908) Great anthem against German oppression and policy of germanisation, written by Maria Konopnicka, music composed 1910 by Feliks Nowowiejski, first publicly sung during patriotic demonstration July 15, 1910, in Kraków on the 500th anniversary of Polish victory in Battle of Grunwald. Special modified version of Rota has been prepared against Soviet Union after WWII when Poland became dependent. Marsz Pierwszej Brygady (March of the First Brigade) Soldiers' song written in 1917 by Andrzej Hałaciński and Tadeusz Biernacki to the melody of Marsz Kielecki (Kielce March) composed by Andrzej Brzuchal-Sikorski in 1905. It was originally sung by soldiers of the First Brigade of the Polish Legions commanded by Józef Piłsudski during World War I. During Piłsudski's military dictatorship following the coup of May 1926, the song was an unofficial national anthem of Poland. In 2007, it became the official anthem of the Polish Armed Forces. Morze, nasze morze () Written at the turn of the 1930s