Piano Timeline By Aaron Ra Jan 1, 1400 Invention of the clavichord Period: Jan 1, 1400 to Jan 1, 2000 Piano Timespan Jan 1, 1521 Invention of the harpsicord Jan 1, 1709 Invention of the pianoforte Jan 1, 1771 The first "grand" pianoforte Jan 1, 1807 "Cabinet Piano" Jan 1, 1830 The upright piano Feb 23, 1840 Grand Piano Jan 1, 1920 The player piano Jan 1, 1947 Invention of the electric keyboard Jan 1, 2000 Increase of electric pianos
