When was the sovereign duke of the Duchy of Saxe-Coburg and Gotha diedto whom Symphony No. 2 in C major, Op. 140 dedicated to?
Symphony No. 2 (Raff):  It is dedicated to Ernest II, Duke of Saxe-Coburg and Gotha. Ernest II, Duke of Saxe-Coburg and Gotha: Ernest II (German: "Ernst August Karl Johann Leopold Alexander Eduard"; 21 June 1818 – 22 August 1893) was the sovereign duke of the Duchy of Saxe-Coburg and Gotha, reigning from 1844 to his death.
i don't know