Buoyed by victories in World Wars I and II and the end of the Cold War in 1991, the US remains the world's most powerful nation state.
United States Government Independence day is 4th of July, 1776 (from Great Britain)
Washington DC Latitude Facts: 38.8964 and Washington DC Longitude Facts: -77.0262
United States People Age structure (%) 0-14 years: 20.1% (male 31,257,108/female 29,889,645); 15-64 years: 67.1% (male 101,825,901/female 102,161,823); 65 years and over: 12.7% (male 16,263,255/female 22,426,914) (2008 estimate)
United States Government Political pressure groups and leaders NA
United States Economy Currency (code) US dollar (USD)