To answer the question literally, the United States was "discovered" when the Constitution was ratified in 1788 and the first President and Congress was installed in 1789.
The Americas were discovered by Asian nomads who crossed the Bering Land Bridge, anywhere from 12,500 BCE to 40,000 BCE. The Vikings established colonies in the Americas in the 11th century, most notably in Newfoundland (Leif Erikson) and Greenland. Christopher Columbus' discovery of the Americas brought the New World to the attention of Europe.
The first five states werent discovered they were founded
canada
No one discovered "blindness" It has been with us since the first group of Humans walked the earth.
Wolfram syndrome was first discovered by DJ Wolfram who was a US phycisian at the Mayo clinic
technically he didnt discover it. The vikings originally discovered the US after a failed voyage from Asia to England on a killing spree.
More than 1,000 years ago.
Mohave Yuma american Indians Harrisburg
The first group from Denmark arrived in the US in 1741. Jonassen Bering and his crew discovered the Bering Sea.
it was discovered at ?
It was a thigh bone found by Dr. Caspar Wistar
The Portuguese. They "discovered" and "colonized" us.
The "First State " of the US is thought to be Delaware, because it was the first state that ratiied the new US Constitution. Delaware's state motto is "The First State."