Events relating to opera
In a treaty signed at Cazorla, the kings of Castile and Aragon agree on a plan of cooperation against the Muslims
Henry's first phase of building at Hampton Court includes the construction of all the rooms required for operations of the kitchens, a Council Chamber and private rooms for himself
Dafne is performed in Florence, becoming the first example of a new art form - opera
Claudio Monteverdi presents Orfeo, the first opera to win a lasting place in the international repertory
Dee’s house and estate are purchased by Francis Crane to establish the Mortlake Tapestry Works, with eighteen looms operated by Flemish weavers
The first public opera house, the Teatro San Cassiano, opens in Venice
Samuel Pepys has a two-ounce stone cut from his bladder, in an operation carried out at home in the presence of his family
19-year-old Alessandro Scarlatti has a great success in Rome with Gli Equivoci nel Sembiante, the first of his 115 operas
In his opera La Caduta de' Decemviri, Alessandro Scarlatti introduces a new form of prelude, later known as the Italian overture, which is an important stage in the development of the symphony
Handel's success in London with his opera Rinaldo prompts him to settle in Britain
The symphony begins to develop as a musical form, deriving from the overtures of operas
The Italian poet Metastasio produces, in Vienna, opera libretti which are used by almost every composer of the day
The intensely dramatic music of Gluck's Orfeo ed Eurydice introduces a much needed reform in the conventions of opera
Mozart's Marriage of Figaro premieres in Vienna and then has a huge success in Prague
The emperor Joseph II is reported to have told Mozart that his opera The Marriage of Figaro has 'too many notes'
Mozart's opera Don Giovanni has its premiere in Prague
Mozart's opera Così fan Tutte has its premiere in Vienna, in the court theatre of Joseph II
Mozart's opera The Magic Flute has its premiere in Vienna in a popular theatre run by the librettist, Emanuel Shikaneder
The first version of Beethoven's only opera, Fidelio, is performed in Vienna under the title Leonore
The final version of Beethoven's opera Fidelio has its premiere in Vienna
Rossini's opera The Barber of Seville has its premiere in Rome
Carl Maria von Weber's opera Der Freischutz has its premiere in Berlin

Italian composer Gioacchino Rossini moves to Paris, where he becomes director of the Théatre Italien
Carl Maria von Weber's opera Oberon has its premiere (in London, at Covent Garden)