re·mem·brance
rəˈmembrəns/

noun
the action of remembering something.
"a flash of understanding or remembrance passed between them"
the action of remembering the dead, especially in a ceremony.
"I decided to sell poppies in remembrance of those who died"

synonyms: commemoration, memory, recognition
"we sold poppies in remembrance"
a memory or recollection.