This year, a dreadful visitation of the plague happened at Durham, which occasioned an adjournment of the assizes, and a total suspension of all public assemblies. It continued to rage for five successive years.

From: T Fordyce, J. Sykes. Local records; or, Historical register of remarkable events which have occurred in Northumberland and Durham, Newcastle-upon-Tyne, and Berwick-upon-Tweed..., published 1867

1416. - Thomas Langley, bishop of Durham, recovered from the mayor and burgesses of Newcastle the third part of Tyne bridge, adjoining to Gateshead in the county of Durham, together with a tower which that body had lately caused to be erected thereupon. 

From: T Fordyce, J. Sykes. Local records; or, Historical register of remarkable events which have occurred in Northumberland and Durham, Newcastle-upon-Tyne, and Berwick-upon-Tweed..., published 1867

The first stone bridge across the Tyne at Newcastle had been built with a grant from the King, and the Bishop of Durham (later the Bishop claimed a third of the bridge, because it adjoined his land).