Disney Era Timeline (1937-88)

This's the Disney timeline of eras during 1937-88. =Disney Golden Age=

Eras:
=Disney Dark Age=
 * 1) Beautiful Era part 1 (1937-42)
 * 2) Round Era (1943-50)
 * 3) Beautiful Era part 2 (1951-56, 1957-60)
 * 4) Sharp Era (1961-69)

Eras:

 * 1) Smooth Era part 1 (1970-79)
 * 2) Rough Era (1980-85)
 * 3) Smooth Era part 2 (1986-88)