was an exhibition of Delacroix in 1964, Corot in 1965, and Rouault in 1966. The third decade began with Derain in 1967, followed by Charles Rennie Mackintosh, Wotruba, a Boudin to Picasso exhibition at the Royal Scottish Academy, and Canada 101, a focus on contemporary Canadian art, all in 1968. Sixteenth century Italian drawings from British private collections (at Merchants' Hall), Contemporary Polish art, and Jack Coia gold medallist were shown in 1969. For 1970, the exhibitions were Early Celtic art and Contemporary German art from Düsseldorf. The Belgian contribution to surrealism, Sir Walter Scott Bicentenary and Contemporary Romanian art exhibitions were offered in 1971. In 1972 the Scottish painter Alan Davie was featured at the Royal Scottish Academy, followed in 1973 by Permanences e l'Art Francais in the same gallery, as well as Objects USA at the City of Edinburgh Art Gallery, and a Tyrone Guthrie exhibition. World premieres Many works have received their world premieres at the Edinburgh International Festival, from T. S. Eliot's The Cocktail Party and The Confidential Clerk in 1949 and 1953, to James MacMillan's 2018 version of Quickening'' and Symphony No. 5, both in 2019. Festival venues The principal venues of the Festival are: Usher Hall (capacity approximately 2,200), concert hall, built in 1914, used by the festival since 1947. Kings Theatre (1,300), opened in 1906, used by the festival since 1947, notably for opera. Royal Lyceum Theatre (658), opened in 1883, used by the festival since 1947, mainly for drama. Festival Theatre (1,915), dating back to 1892, originally a variety, musical and opera house called the Empire Theatre. Used by the festival since 1947, at first for ballet. Remodelled in 1994 and now used for festival opera and ballet. The Queen's Hall (920), converted chapel, opened as a concert hall in 1979, performance home of the Scottish Chamber Orchestra. The Hub (420), originally built as the Tollbooth Church (1842–44) to house the General Assembly of the Church of Scotland. This is on Castlehill, directly below Edinburgh Castle, with its tall Gothic spire, the highest point in central Edinburgh (outside of the Castle). Used since 1999 as the central box office and information centre for the festival, as well as a separate venue. The Dunard Centre (1000), a new concert hall, due to be opened in 2023-4. Other venues that have sometimes been used in the past include: Church Hill Theatre (353), built in