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?
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. Ernest was born in Coburg as the eldest child of Ernest I, Duke of Saxe-Coburg-Saalfeld, and his duchess, Princess Louise of Saxe-Gotha-Altenburg. Fourteen months later, his younger brother Prince Albert was born, who became consort of Queen Victoria of the United Kingdom. Ernest's father became Duke of Saxe-Coburg and Gotha in 1826 through an exchange of territories.
Frederick II, Duke of Austria Frederick II (German: "Friedrich II." ; 25 April 1211 – 15 June 1246), known as Frederick the Quarrelsome ("Friedrich der Streitbare"), was Duke of Austria and Styria from 1230 until his death. He was the fifth and last Austrian duke from the House of Babenberg, since the former margraviate was elevated to a duchy by the 1156 "Privilegium Minus". He was killed in the Battle of the Leitha River, leaving no male heirs.