Question: Ludwig van Beethoven's Cello Sonata No. 3 in A major, Op. 69 was written in 1808, in the same year Beethoven also completed and published his Fifth and Sixth Symphonies, composed and completed in 1808, which was first performed in the Theater an der Wien on which date, in a four-hour concert?

Related documents: [0]  [DOC] The Symphony No. 6 in F major, Op. 68, also known as the Pastoral Symphony (German: "Pastorale"), is a symphony composed by Ludwig van Beethoven, and completed in 1808. One of Beethoven's few works containing explicitly programmatic content, the symphony was first performed in the Theater an der Wien on 22 December 1808 in a four-hour concert. [END] 
[1]  [DOC] Ludwig van Beethoven's Cello Sonata No. 3 in A major, Op. 69 was written in 1808, Beethoven's second compositional period. Composed in the same year were the two piano trios of Op. 70 and the Choral Fantasy; in the same year Beethoven also completed and published his Fifth and Sixth Symphonies. The sonata was dedicated to Baron Ignaz von Gleichenstein and first performed in March 1809 by cellist Nikolaus Kraft and pianist Dorothea von Ertmann. Beethoven composed five sonatas for cello and piano over his lifetime; Steven Isserlis described his third sonata as the first cello sonata in history to give equally important parts to both of the instruments. [END]  
Answer: 22 December 1808
22 December 1808