1740s
- 1749 in music - Johann Sebastian Bach finishes his Mass in B Minor
- 1747 in music - Johann Sebastian Bach finishes his Musical Offering
- 1746 in music -
- 1745 in music -
- 1744 in music - Johann Sebastian Bach finishes the Book II from The Well-Tempered Clavier
- 1743 in music -
- 1742 in music - première of Messiah by George Frideric Handel, in Dublin
- 1741 in music - Bach's Goldberg Variations are published
- 1740 in music - Death of Antonio Lucio Vivaldi, Italian composer and violinist
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