They pay homage to the great and the good of those who have gone before us but left a legacy behind them.
From honoring a Formula One World Champion to a boxer a missionary here’s a round of some of the plaques in Sheffield.
Why not take a walk and see how many you can spot.
Want more Sheffield retro? People and events you’ll only remember if you live in Burngreave, Sheffield from the air in the 1990s
9. Harry Wright Plaque
The Lord Mayor of Sheffield Councillor Trevor Bagshaw pictured unveiling a plaque at 409 Ecclesall Road in memory of trader Harry Wright also pictured are his widow Mrs Mary Wright, and the lady Mayoress Mrs Margaret Bagshaw . | JPIMedia Photo: Barry Richardson
10. Painted fabric
Painted fabrics, the camp set up for disabled ex-servicemen was officially recognised with a plaque unveiled by David Carter the great nephew of its founder Annie Bindon Carter OBE and the Mayor of Sheffield councillor Pat Midgeley at the former site on Little Norton Drive, Meadowhead which is now home to sheltered accomodation for the ederly. | JPIMedia Photo: Andrew Partridge (Staff)
11. James Hudson Tayor
Blue Plaque unveiled in honour of Barnsley born James Hudson Tayor the 19th century missionary credited with taking Christianity to China | JPIMedia Photo: Chris Lawton