West Market Street
On the south west corner of King and Market Lane Park once stood the Wellington Inn, Terry and Catermole Watchmakers, Peter Paterson's Hardware Store and John Bishop's Butcher Shop. Next to the butcher shop was Franks Hotel, where in 1820 in a ballroom on the second floor, the first stage play made up entirely of local actors took place when they put on a production of School for Scandal.
Plaque via Alan L. Brown's site Toronto Plaques. Full page here.