commemorative plaque
historic plaque , also: plaque *
historical marker

Next, a historical marker will be placed in front of her house.

The bell on the historical marker was used in the local school from 1885 to 1953.

A historical marker is on the south side of that block.

There are more than three dozen historical markers throughout the town.

This building is a historical marker to the city and the state of Michigan.

Although this building no longer exists, a historical marker may be found at its site.

No historical markers indicating the areas past could be found.

In 1936 a historical marker was placed to mark the spot.

The state has numerous historical markers, which can themselves become the center of a tour.

The State has installed an official historical marker across the street from the church.