Wearing long silky dresses, drinking endless cups of tea and wandering around enormous houses might look easy -- but life for 1920's ladies was far from an elegant picnic.
Jen Newby, author of Women's Lives: Researching Women's Social History 1800-1939, has helped Huffpost UK Lifestyle come up with a list of 20 Do's and Don'ts for Downton ladies to prevent social pitfalls.