19 Times People Were Confident In Their Answers Despite Being Really, Really Wrong

List Rules
Vote up the incorrect answers that required a double take.

Over on the subreddit r/confidentlyincorrect, entitled folks from all walks of life who are absolutely confident in their incorrect answers are made an example of for the amusement of others. And it is quite amusing. Here are a few reasons why one should always do a bit research before spouting facts on the internet.