You wrote it down. You definitely wrote it down, somewhere in the right notebook, on the right page, in handwriting that meant it was important. Costume Day: Thursday. Except it was Thursday the 13th, not Thursday the 20th.
Your child had spent three weeks perfecting the roar. Not a generic roar. A specific, practised, pterodactyl-accurate roar, with the arms and everything.
The other children arrived in their school uniforms. Your child arrived as a dinosaur.
see it all keeps dates where you can actually see them, not buried in a calendar you meant to open, next to all the other dates you also meant to check. So "Costume Day Thursday" stays visible next to the actual Thursday it belongs to, not floating loose somewhere in a general sense of next week.
Placeholder, replace with final copy before launch.