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 chocolate bars were displayed publicly at a trade fair in Bingley Hall, Birmingham. The Cadbury brothers opened an office in London, and in 1854 they received the Royal Warrant as manufacturers of chocolate and cocoa to Queen Victoria. The company went into decline in the late 1850s. John Cadbury's sons Richard and George took over the business in 1861. At the time of the takeover, the business was in rapid decline: the number of employees had reduced from 20 to 11, and the company was losing money. By 1866, Cadbury was profitable again. The brothers had turned around the business