From practical advice to a wry take on the changing world, the Dowager has provided us with many memorable moments.
Take the Dowager quiz and see how much you know about Downton's favourite matriarch.
Love is always in the air at Downton Abbey, whether it's drinks in the parlour with an eligible suitor or longing looks in the staff quarters.
Get a little misty eyed as we remember some of the couples who have graced our screens over the past four series.
Don't forget to take our poll below and tell us your favourite Downton Abbey romance.
Do you dream of silver service or do you like nothing more than a big plate of meat and two veg?
Would you prefer the finery and trimmings of the dining hall, or do you crave a casual dinner below the deck?
Take our poll and tell us!
There have been many memorable quotes over the past four series of Downton Abbey, but can you remember who said what?
Test your Downton dedication and take the quotes quiz.