West Midlands (region) in 1928, "Whole Nut" in 1930, "Cadbury Roses" in 1938, and the "Cadbury Creme Egg" in 1971. George and Richard Cadbury built their factory in 1879 and Bournville in 1893, named after the Bourn brook. Iceland (supermarket) opened its first store in Oswestry in 1970 – heralding the onset of frozen food in the UK. Alfred Bird invented egg-free custard in 1837 in Birmingham – accidentally given to guests at his home, being created as his wife had an allergy to eggs; he then invented baking powder in 1843 as his wife also had an allergy to yeast. J. R.
Cadbury Castle, Somerset part of the name may come from the River Cam, as with the nearby villages of West Camel and Queen Camel. Other scholars suggest a derivation from some figure named "Cador" or "Cada". It is one of three sites in Somerset to include the Cadbury name, the others being Cadbury Camp, near Tickenham, and Cadbury Hill, which is also known as Cadbury-Congresbury to distinguish it from the other sites. Local tradition, first written down by John Leland in 1542, holds that Cadbury Castle was King Arthur's Camelot. The site and the Great Hall are extensive, and the writer Geoffrey Ashe