what language is spoken here?
Kihnu dialect and dialects of Saaremaa, Muhu and Hiiumaa.
Kihnu
The Kihnu dialect is considered to belong to the insular dialect group of North Estonian, along with the dialects of Saaremaa, Muhu and Hiiumaa. 
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 were these ships used in any wars? Yes, Battle of the Gulf of Riga. where did this take place? Gulf of Riga in the Baltic Sea can you name a few islands in the gulf? aaremaa, Kihnu, and Ruhnu could you please describe the culture of the second? Island's cultural heritage includes handicrafts, dances, games and music. what is the climate like here? UNANSWERABLE
wiki:5857087
Kihnu [SEP] Language
The Kihnu dialect is considered to belong to the insular dialect group of North Estonian, along with the dialects of Saaremaa, Muhu and Hiiumaa. It is unusual among North Estonian dialects in preserving vowel harmony, like most other Finnic languages. The dialect includes triphtongs. There are Swedish influences in vocabulary and intonation.