the history of cadbury chocolates marketing essay Cadbury year events 1824 john cadbury opened the shop at bull street shop 1847 the business moves to bridge street 1847 fry's produce the first chocolate bar 1866 launch of 'cadbury cocoa essence‘ 1875 first milk chocolate bar by daniel peter  1875 cadbury easter egg  1897 cadbury milk chocolate was launch 1905 first cadbury logo.