noun
memorabilia
mem-er-uh-BIL-ee-uh/ˌmemərəˈbɪliə/
Objects kept for their connection to memorable people or events.
The glove, medal, and photograph form a collection of personal memorabilia.

Etymology
The Latin plural designated notable achievements—things worth remembering. English extended the term from writings to physical objects that preserve an association with a person, place, or event.
In context
He collected military memorabilia, thousands of pieces of martial art and memorabilia displayed across his multiple homes and offices.
More examples
- The museum displays campaign memorabilia from past presidential elections.
- He collects movie memorabilia, especially signed scripts and original posters.
- Our wedding memorabilia includes the invitations and a pressed flower.
Forms
memorabilia
memorable adjective — Worth remembering because of importance or interest.