declaration of independence (6h 55min, jul 4, 1776 y – 0h 19min, apr 9, 1777 y)

July of 1776 is the day of independents otherwise a well known federal holiday the forth of July.

6h 55min, jul 4, 1776 y

0h 19min, apr 9, 1777 y

~ 9 months