Today you need to be thinking of the things that only get done certain times of the year and put them on the correct monthly sheet some examples are:
Jan – Take down Christmas Decos
Feb – Mardi Gras , Valentines Day, Park Baseball sign ups (for me anyway LOL)
March – ??
April – Spring cleaning: repaint shutters, shampoo carpets, house repairs, take down shutters, plant garden
May – ??J
une – Plan summer vacation?
July – 4th of July
Aug – Back to school
Sept – Halloween prep
Nov – Thanksgiving
Dec – Christmas
Also be sure to add in important birthdays so you never forget a card again.