The following is a list of anniversaries coming up in 2020 (births, deaths, premieres) for editors who may wish to plan work on a Featured Article or a Did You Know? entry to coincide with the date. It can also be used for nominating Featured Pictures to appear on the Main Wikipedia page for a particular day. Please continue to add to this list.
- Search aids
- Almanacco Amadeus (Enter the month in the third field ('Mese') via the drop-down list and write the year in the fourth field ('Anno'). Leave the other fields blank. Then press "Ricerca".)
- Operabase anniversaries page. Lists major anniversaries of births, deaths and work premieres falling for today and the next two days.
- Table of years in music
- Years to search
- 1571 (450 years ago),
- 1621 (400 years ago),
- 1671 (350 years ago),
- Cambert: Pomone (3 March)
- Peranda and Bontempi: Dafne (3 September)
- 1721 (300 years ago),
- Scarlatti: La Griselda (January)
- Orlandini: Nerone (January)
- Telemann: Der gedultige Socrates (28 January)
- Bononcini: Crispo (February)
- Mattei, Bononcini & Handel: Muzio Scevola (26 April)
- Hasse: Antioco (11 August)
- Porsile: Meride e Selinunte (28 August)
- Handel: Floridante (20 December)
- 1771 (250 years ago),
- Gazzaniga: La Locanda
- Piccinni: La finte Gemelle (2 January)
- Mysliveczek: Motezuma (January)
- Martini: L'Amoureux de quinze ans ou La double Fete (18 April)
- Hiller: Der Aerndtekranz (Spring)
- Salieri: Armida (2 June)
- Roellig: Clarisse oder Das unbekannte Dienstmädgen (8 October)
- Hasse: Ruggiero o vero L'eroica Gratitudine (16 October)
- Mozart: Ascanio in Alba (17 October)
- Grétry: L'ami de la Maison (26 October)
- Grétry: Zémire et Azor (9 November)
- Neefe: Die Apotheke (13 December)
- Deller: Il Maestro di Capella (31 December)
- 1821 (200 years ago),
- Grazioli: La Festa della Riconoscenza o sia Il Pellegrino bianco (25 January)
- Rossini: Matilde di Shabran (24 February)
- Weber: Preciosa (14 March)
- Paer: Le Maftre de Chapelle ou Le Souper imprevu (29 March)
- Aiblinger: Rodrigo und Zimene (1 May)
- Weber: Der Freischütz (18 June)
- Auber: Emma ou La Promesse imprudente (7 July)
- Mercadante: Elisa e Claudio ossia L' Amore protetto dall' Amicizia (30 October)
- Dupuy: Felicie eller Den Romaneska Flickan (19 December)
- 1871 (150 years ago),
- Bottesini: Ali Baba (18 January)
- J. Strauss: Indigo und die vierzig Räuber (10 February)
- Cagnoni: Papà Martin (4 March)
- Arrieta: Marina (16 March)
- Serov/Solovyev: Vrazhya Sila (1 May)
- Braga: Reginella (16 September)
- Verdi: Aida (24 Decemer)
- Sullivan: Thespis (26 December)
- 1921 (100 years ago),
- Petraukas: Birute (16 February)
- De Boeck: La Route d'Émeraude (25 February)
- De Lara: Les trois Mousquetaires (3 March)
- Dupont: Antar (14 March)
- Börresen: Kaddara (16 March)
- Marsick: La Jane (29 March)
- Vittadini: Anima Allegra (15 April)
- Mascagni: Il Piccolo Marat (2 May)
- Wellesz: Die Prinzessin Girnara (15 May)
- Gatty: Prince Ferelon; or, The Princess' s Suiiors (21 May)
- Medinš: Uguns un Nakts (26 May)
- Hindemith: Mörder, Hoffnung der Frauen and Das Nusch-Nuschi (4 June)
- Honegger: Le Roi David (11 June)
- Franchetti and Giordano: Giove a Pompeii (5 July)
- Campbell: Thais and Talmaae (13 September)
- Janáček: Káťa Kabanová (23 November)
- Hüe: Dans l'Ombre de la Cathedrale (7 December)
- Alfano: Sakùntala (10 December)
- Prokofiev: The Love for Three Oranges (30 December)
Some 2021 anniversaries (by no means exhaustive)...