Simple categories matching memorable:

• item,
• event,
• episode,
• holiday,
• stuff,
• date,
• keepsake,
• story,
• function,
• experience,
• occasion,
• production,
• activity,

Members with property memorable:

• craft,
• fishing,
• short_trip,
• olympic_game,
• photo,
• hat,
• commitment_ceremony,
• birthday,
• book,
• wedding,
• wedding_shower,
• baby_shower,
• community_gathering,
• human_figurine,
• meeting,
• convention,
• jewellery,
• graduation,
• fly_fishing,
• community_outing,
• interactive_demonstration,
• september-11_attack,
• under_bridge,
• document,
• jewelry,
• special,
• final,
• special_meeting,
• constitutional,
• home_movie,
• christening,
• travel,
• pet,
• picnic,
• beaux-arts_ball,
• first_job,
• first_marriage,
• bar,
• famine,
• sporting_event,
• innovative_program,
• logo_bug,
• party,
• wearable_art,
• vaccination,
• christmas_party,
• evening_track,
• vacation,
• special_occasions,
• candlelight_vigil,
• retirement_party,
• wedding_invitation,
• first_shoes,
• remarriage,
• wayne-gretzky_retirement,
• reception,
• family_gathering,
• commencement,
• dance,
• flash,
• genesis,
• engagement,
• hot-air_ballooning,
• family_birthday,
• educational_program,
• white_sweatshirt,
• flashlight,
• souvenir_photo,
• good_joke,
• diary,
• breakup,
• cards,
• diving,
• card,
• prom,
• birth,
• particular_meeting,
• swimming,
• test_cricket,
• festival,
• mother_day,
• corporate_function,
• game,
• debut,
• news,
• breaking_news,
• visit,
• rehearsal,
• rose_bowls,
• favourite_tot,
• anniversary_date,
• marriage,
• mouse_pad,
• baptism,
• guitar_hero,
• lion_dance,
• family_reunion,
• special_party,
• commitment,
• ribbon,
• retirement_celebration,
• snorkeling,
• reunion,
• private_meeting,
• fundraiser,
• new_birth,
• champion_horse,
• button,
• shower,
• pool_party,
• corporate_affairs,