Which major WWII battle in 1945 was fought on the volcanic island famous for the raising of the U.S. flag?

Battle of Iwo Jima

The River Thames flows through which European capital city? What president famously proclaimed, "Ask not what your country can do for you"? What is the common name for Aurora Borealis? In music notation, what symbol lowers a pitch by half a note? What island nation lies off the east coast of Africa?