Also on these boards
lucky us keychain - add pennies with years that were special to you; marriage, birthdays, etc.
Make a book out of Instagram pics detailing your first year of marriage, child's first year, friendship with a specific friend.. etc! She used map paper cut into 5" by 5" squares, art supply stickers, Lithco to bind papers together, Washi tape to spine, and an app called PostalPix to print out pics (choose and get mailed)!!
Create a memory box full of index cards. Each card is stamped with Month and Day. Everyday, write a one or two liner of something that happened that day or a wonderful little memory. The key is to keep going year after year, writing the next year’s memory on the the next line on the same card. So everyday, you’ll be able to see what you did each year on that day.