were these ships used in any wars?
Yes, Battle of the Gulf of Riga.
Nassau-class battleship
The ships also saw service in the Baltic Sea against the Russian Empire during the war; "Nassau" and "Posen" engaged the Russian pre-dreadnought during the inconclusive Battle of the Gulf of Riga in 1915. "Rheinland" and "Westfalen" were sent to Finland to support Finnish forces rebelling against Soviet rule, though "Rheinland" ran aground and was badly damaged. Following Germany's defeat, all four ships were ceded as war prizes to the victorious Allied powers and broken up in the early 1920s.
what does the term nassau-class battleship mean? A group of four German dreadnought battleships. who designed them? UNANSWERABLE what weapons were used on these ships? SK L/45 guns
wiki:11268355
Nassau-class battleship [SEP] Introduction
These operations culminated in the Battle of Jutland on 31 May – 1 June 1916, where the ships helped to sink the armored cruiser . The ships also saw service in the Baltic Sea against the Russian Empire during the war; "Nassau" and "Posen" engaged the Russian pre-dreadnought during the inconclusive Battle of the Gulf of Riga in 1915. "Rheinland" and "Westfalen" were sent to Finland to support Finnish forces rebelling against Soviet rule, though "Rheinland" ran aground and was badly damaged. Following Germany's defeat, all four ships were ceded as war prizes to the victorious Allied powers and broken up in the early 1920s.