February 15 – First performance of Johann Strauss II's waltz "The Blue Danube" (An der schönen blauen Donau, composed 1866) at a concert of the Vienna Men's Choral Association (Wiener Männergesangsverein). Strauss adapts it into its popular purely orchestral version for the International Exposition in Paris later this year.
September – Premiere of the opera O ypopsifios [The Parliamentary Candidate] (music: Spyridon Xyndas, libr. Ioannis Rinopoulos), the first full-scale opera in Greek.