commemorate

(verb) mark by some ceremony or observation. Synonyms: mark. Example: "The citizens mark the anniversary of the revolution with a march and a parade."

(verb) call to remembrance; keep alive the memory of someone or something, as in a ceremony. Synonyms: remember. Examples: "We remembered the 50th anniversary of the liberation of auschwitz." "Remember the dead of the first world war."

(verb) be or provide a memorial to a person or an event. Synonyms: memorialize, memorialise, immortalize, immortalise, record. Examples: "This sculpture commemorates the victims of the concentration camps." "We memorialized the dead."