That Lady Grantham slipped on her soap and lost the baby is no secret, after all.

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Lady Grantham brought a large fortune with her when she married Lord Grantham.

FORBES: Downton Abbey Money Lessons

From the very first episode we understand the glory (and expense) of Downton Abbey draws on the ample funds Lady Grantham brought to the marriage.

FORBES: Downton Abbey Money Lessons

Hughes and Lady Grantham, their in-person interchange was undeniably awkward.

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There have been a number of offers, including from Lady Thatcher's home town of Grantham and the retirement town of Lake Havasu City in Arizona.

BBC: Thatcher statue unveiled

Lady Thatcher attended Huntingtower Road Primary School before winning a scholarship to Kesteven and Grantham Girls' School, where she was head girl.

BBC: Margaret Thatcher tributes from home town of Grantham

Lady Thatcher was born Margaret Roberts, the daughter of a shopkeeper and Conservative councillor in Grantham, Lincolnshire, in 1925.

BBC: Margaret Thatcher funeral set for next week

At present lady Thatcher is commemorated with a small plaque outside her father's former grocery shop in Grantham and with some exhibits inside Grantham Museum.

BBC: Grantham Labour group calls for Thatcher statue in town

She will play Martha Levinson, the American mother of Cora Crawley, Countess of Grantham, who visits Britain in 1920 to attend the wedding of her granddaughter, Lady Mary, to Matthew Crawley.

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