 Complete the following phrase:  20th-century Polish insurgents wore white-and-red brassards armbands which played a role similar to the cockade of previous centuries. Such armbands were worn by Polish freedom fighters during the Greater Poland Uprising 19181919 and Silesian Uprisings 19191921, as well as during the Second World War 19391945 by the soldiers of the Home Army AK and Peasants Battalions BCh  usually emblazoned with the acronyms of their formations. During the Second World War, Polish soldiers raised the Polish flag on several sites of their victories. On 18 May 1944, after an Allied victory over the German forces in the Battle of Monte Cassino, a patrol of the 12th Podolian Uhlan Regiment part of the Polish 3rd Carpathian Rifle Division raised a Polish flag on ruins of the Monte Cassino abbey in Italy. On 1 August 1944, the first day of the Warsaw Uprising, a white-and-red flag was hoisted on the Prudential building, Warsaws tallest skyscraper of the time. During the liberation of Warsaw by Soviet forces and Polish Peoples Army on 17 January 1945, Polish flags were raised on the Belvedere palace and ruins of the Main Railway Station. On 2 May 1945, after the 