history: The anniversaries for my Daddy and my sisters passings are coming up this month. The anniversaries for my Daddy and my sisters passings are coming up this month. Sorry to hear.  Will you be planning anything special?
current: I want to do something but haven't decided what yet. It will be 18 years for him and this is her first which makes it especially hard.
next: If you have other family member around you, ask around and get everyone involved.  It should be nice.