memento

memento
    n 1: a reminder of past events [syn: {memento}, {souvenir}]
    

Memento \Me*men"to\, n.; pl. {Mementos}. [L., remember, be
   mindful, imper. of meminisse to remember. See {Mention}.]
   A hint, suggestion, token, or memorial, to awaken memory;
   that which reminds or recalls to memory; a souvenir.
   [1913 Webster]

         Seasonable mementos may be useful.       --Bacon.
   [1913 Webster]
    

69 Moby Thesaurus words for "memento":
      arch, barrow, boundary stone, brass, bust, cairn, cenotaph, column,
      commemoration, cromlech, cross, cup, cyclolith, dolmen, favor,
      footstone, grave, gravestone, headstone, hoarstone, inscription,
      keepsake, marker, mausoleum, megalith, memento mori, mementos,
      memorabilia, memorial, memorial arch, memorial column,
      memorial statue, memorial stone, memorials, memories, menhir,
      monolith, monument, mound, necrology, obelisk, obituary, pillar,
      plaque, prize, pyramid, relic, reliquary, remembrance,
      remembrancer, reminder, ribbon, rostral column, shadow, shaft,
      shrine, souvenir, stela, stone, stupa, tablet, testimonial, token,
      token of remembrance, tomb, tombstone, tope, trace, trophy