Start a Rumor Day
There isn't much information available about this day, so there's a good chance it got started by a rumor. That's what the day is for anyway, to start a rumor! Rumors aren't anything new, they have been going on for centuries.
How to Observe Start a Rumor Day
Although starting a rumor is usually frowned upon, today you have an excuse to start one, and that's the best way to celebrate the day!