January 6, 1803: Heinrich Herz is born in Vienna, in the Archduchy of Austria. He will be better known under his French name, Henri.
November 8, 1830: Clara Wieck (11) makes her official debut at the Leipzig Gewandhaus. She plays her variations on an Original Theme and a song, probably Der Traum to words of Tiedge. She also plays Rondo brilliant for piano and orchestra op.101 by Kalkbrenner (45), Variations Brillantes op.23 by Henri Herz (27), and Quartet Concertante for four pianos and orchestra op.230 by Carl Czerny (39).
December 12, 1838: The Salle Herz opens in rue de la Victoire, Paris with a gala concert. It was built by Henri Herz (35) and his brother Jacques.
October 21, 1846: Henri Herz (43) arrives in Boston from Liverpool aboard the Caledonia. His piano will make landfall in two days.
October 29, 1846: Henri Herz (43) gives his first concert in North America, at the Tabernacle in New York. The hall is not full, but those in attendance are very receptive.
April 5, 1847: As the city of Mobile, Alabama celebrates the victory at Buena Vista, Henri Herz (44) presents his Variations brillantes et grande fantaisie sur des airs nationaux américains to the delighted citizenry. It is billed as a first performance, but throughout his tour of the southern states, it will always be billed as a first performance. In Vicksburg it will be called the Victory of Vera Cruz, in St. Louis The Battle of Buena Vista and in Nashville The Return of the Volunteers, A Heroic National Fantasia.
July 26, 1878: Edward MacDowell (17) participates in his first concours at the Paris Conservatoire before a committee which includes Henri Herz (75), Camille Saint-Saëns (42), and Ambroise Thomas (66). His prepared piece goes well, but his sight-reading from manuscript is a disaster when he mistakenly plays the piece in minor, abruptly switching to major in the middle when he realizes his mistake. Among the other pianists is Claude Debussy (15).