- ...that Robert Spear Hudson used paintings by professional artists for advertising (example pictured) before Pear's Soap and Lever Brothers?
- ...that the Mark II radio telescope built in 1964 at Jodrell Bank Observatory was the first telescope to be controlled by a digital computer?
- ...that plans for St Werburgh's Mount, Chester, should have been submitted at the same time as those for St Werburgh Chambers, but were delayed because its architect John Douglas was ill?
- ...that while Peover Hall is a Grade II* listed building, its stable block is listed at Grade I because of its elaborate internal architecture?