It's Only Paper
How often do you use paper as paper? Always? If that's you, bunkie, then this day is yours.
Take some paper - a full sheet, a scrap, a whole roll - and use it for some purpose for which it was never intended.
Get creative, but be safe.
Turning a sheet of paper into a paper airplane doesn't count. That's one of the reasons paper was made.
Get really creative, but be really safe.
Paper hat? No.
Papier mache? Right out.
No, I'm not going to suggest specifically how you should celebrate Repurpose Some Paper Day. Not gonna do it. You tell us how you did it.