1986 Independence Day address to the nation

The following are excerpts from a 1986 address to the nation by President Ronald Reagan on Independence Day:
It's worth remembering that all the celebration of this day is rooted in history. It's recorded that shortly after the Declaration of Independence was signed in Philadelphia celebrations took place throughout the land, and many of the former Colonists — they were just starting to call themselves Americans — set off cannons and marched in fife and drum parades.