The various countries in America were founded on different dates. You will need to specify which country you are referring to.
July 4, 1776
July 4, 1776
1776
1802
1870
1787
1870
The Marine Corps was established 10 November 1775.
U.S. Air Force(USAF) was established on Sep 18, 1947.
1894
The two party system in the US was firmly established by the early 19th century, with the Democratic-Republicans and the Federalists as the main political parties. This system has persisted with different party alignments over time, but has remained the dominant political structure in the country.
1870
in the year 1607Jamestownwas established.
1894
1967
Walmart was founded in 1962 by Sam Walton.