There are those that I know that acknowledge the date that a person passed away with sorrow. It's a day to visit graves or go to church.
Personally, I remember my loved ones all the time. And though the date that they left me might be present in my mind, it's the remembering them with fondness all the other days of the year that I'd rather focus on.
I enjoy The Day of The Dead, the (primarily) Mexican celebration/holiday which focuses on gatherings of family and friends to pray for and remember friends and family members who have passed on. Often included in remembering the dead are trips to cemeteries, celebrations, food and beverages, in addition to prayers and remembrances of the departed.
I like the idea of taking a day to remember and celebrate the lives of loved ones who are no longer with me. Maybe making a favorite meal of one of my Grandmothers or looking at my Japan scrapbook about a trip I took with my friend Shauna who I lost to breast cancer several years ago. Since many of my family members have been cremated and scattered at sea, maybe on this day, The Day of The Dead, I'll make a trip to the coast and play along the shore, celebrating the wonderful memories that live on in my heart of these great people I will cherish forever.
He who has gone, so we but cherish his memory, abides with us, more potent, nay, more present than the living man. ~Antoine de Saint-Exupery
After all, to the well-organized mind, death is but the next great adventure. ~J.K. Rowling
