but funny joke. The best part? When you're done, they'll all be saying, "Prank you, prank you very much." Did you hear about the submarine that sank on April Fools' Day? Someone left a window open.

You may know about April Fools' Day on April 1, but do you know about the other April holidays and observances? Here's what to celebrate. What April Fools’ Day Prank to Pull, Based on Your ...