Events relating to opera
Arabella, by Richard Strauss and Hugo von Hofmannsthal, is first performed four years after von Hofmannsthal's death left it incomplete
Dmitry Shostakovich's opera Lady Macbeth of the Mtsensk District has its premiere in Leningrad's Maly Theatre
The first opera festival at Glyndebourne, a country house in Sussex, opens with a performance of Mozart's Marriage of Figaro
Swedish tenor Jussi Björling makes his debut in Stockholm, in Puccini's Manon Lescaut
Paul Hindemith's opera Mathis der Maler is banned by the Nazis and is not performed until 1938 in Zurich
Arthur Honegger's opera Joan of Arc at the Stake has its premiere in Basel
In A Night at the Opera the Marx Brothers make the first of their films as the famous threesome, Groucho, Harpo and Chico
Leningrad's opera and ballet company is renamed the Kirov, in memory of the city's recently assassinated commissar
Italian baritone Tito Gobbi makes his operatic debut in Gubbio in Bellini's La Somnambula

George Gershwin's 'folk opera' Porgy and Bess, based on the novel by DuBose Heyward, opens on Broadway
Alban Berg's opera Lulu is incomplete when the composer dies
Benjamin Britten and Peter Pears give a series of recitals in the USA at the start of a lifelong partnership
Austrian conductor Herbert von Karajan becomes music director of the Berlin State Opera
All Saints, along with Petersham Vicarage, the village hall and (later) Elm Lodge, is requisitioned by Anti-Aircraft Command and plays a key role in operational research on Radar throughout the Second World War
Elm Lodge, requisitioned by Anti Aircraft Command, along with All Saints, Petersham vicarage and the village institute, plays a key role in wartime operational research on Radar
Hitler orders preparations for the invasion of England, under the codename Operation Sea Lion
After the summer's losses in the air, Hitler orders the effective cancellation of operation Sea Lion, the planned invasion of Britain
Adolf Hitler orders preparations to be made for Operation Barbarossa, his planned invasion of the Soviet Union
Henri Matisse, recovering from an operation, develops his technique of gouaches découpées (cut-out patches of painted paper)
Greek soprano Maria Callas sings her first Tosca, in the opera house in Athens
Britain's Special Air Service (SAS) is formed for unorthodox guerrilla operations in the north African desert
Two hydroelectric schemes in the Ruhr valley are destroyed by the RAF's Dam Busters and their bouncing bombs in Operation Chastise
In Operation Shingle an Allied force lands at Anzio, on the west coast of Italy behind the German lines
US bombers destroy Japanese warships and planes in Operation Hailstone, a radar-guided night attack on the Truk Islands
A volunteer force, known as Merrill's Marauders, is commanded by Frank Merrill in US operations against the Japanese in Burma