In music, one of the two important scales (the other being minor) of the tonal system. The main characteristic of the major scale is the major third between the first and third degrees (or notes) of the scale. A major key is one based on the major scale. See major interval.
Modelled on the French tricolour, the vertical stripes represent liberty and revolution. The almost square proportions of the flag are unusual. Effective date: 23 January 1831.