Events The first Viennese operetta, Das Pensionat by Franz von Suppé, debuts at the Theater an der Wien First official modern Welsh Eisteddfod is held at Denbigh Published popular music "Down Among the Cane-Brakes" By Stephen Foster "Mary Of Argyle" w. Charles H. Jefferys m. Sidney Nelson "Old Black Joe" By Stephen Foster "Virginia Belle" By Stephen Foster Musical theater Orphée Aux Enfers, Vienna production Births March 13 - Hugo Wolf, composer July 7 - Gustav Mahler, composer, conductor November 18 - Ignace Paderewski, pianist Deaths