Cowboy hats were originally unpopular in the American West. Derby hats were the main choice of headgear originally. Cowboy hats would see a dominance eventually but it took almost until the 20th century to do so.
A common urban legend was that German was almost considered to be the official language of the United States. The myth apparently came from two things, an attempt to have some laws translated into German and a Speaker of the House with German parents.
Europe had a difficult time accepting heliocentrism because it conflicted with the Bible. Some societies tried the Tychonic model, which was an absolutely incorrect system that suggested the Earth was the center of the universe and the Sun revolved around it. But it did allow the thought that other planets could revolve around the Sun.
No native Aztecs had ever seen Hernan Cortes as a god, the story was made up by in his retirement by one of his employees who had never left Europe.