landaff Cathedral is situated in Cardiff, South Wales, the core of the present cathedral was begun in 1107 by Bishop Urban and was built on a site made holy in the sixth century. The church was dedicated in 1120. Urban's church has been mostly replaced by later building work, including the nave, west front, Lady chapel and the square chapter house. Building work dates from 1193 in the nave to 1244 for the Lady chapel. In 1187 a sermon was preached in support of a Crusade after Jerusalem had been taken from the Christians.