The NBA is America’s most popular sports league worldwide. You can go to almost any country in any continent, say that you like NBA basketball, and people will know what you are talking about, at least at a high level. As Wizards fans, sometimes people who aren’t the biggest basketball junkies may not know all the stars like they would on the Warriors, but that happens here in America.
Wikipedia is a great resource to learn about any topic and the Wizards are no exception. Wikipedia’s a robust information resource, and most of the information on the site overall is very accurate.