If you are a mother you should not be without one of these:
http://www.amazon.com/Moms-Family-20.../dp/B002IERTNM
My wife has been using them for the last 10 years and saves them to keep track of most everything that happened. It is a great tool for busy families. If it is not on the calendar, kept on the frig in the kitchen, it is not going to be planned into the immediate future.