It been at least 15 years
The Declaration of Independence says that the American colonists are absolved from all ties and allegiances to the British Crown, since they argue the British have acted tyrannically. <span />
<span>Oda Nobunaga consolidated Japan.</span>
The holiday that was established in california in 1966 by scholar/activist dr. maulana karenga would be Kwanzaa. It is <span>a secular festival observed by many African Americans from December 26 to January 1 as a celebration of their cultural heritage and traditional values.</span>
I think that what you're looking for is Manifest Destiny, the idea that it was natural, required and proper of the settlers to expand across the continent.
Some connected this to God (that is, that God devised this expansion as His plan), but God is not always necessarily connected to this idea.