Question: Edward Hyde, 1st Earl of Clarendon was the maternal grandfather of a woman who would become the Queen of England, Scotland and Ireland on what date? 

Context paragraphs:
Henry Hyde (died 1634): Henry Hyde (c. 1563 – 29 September 1634) was an English politician and lawyer.  He was the father of Edward Hyde, 1st Earl of Clarendon (1609–1674), and thus was great-grandfather of two British monarchs, Queen Mary II and Queen Anne.  He lived at Dinton and later at Purton, Wiltshire.

Anne, Queen of Great Britain: Anne (6 February 1665 – 1 August 1714) became Queen of England, Scotland and Ireland on 8 March 1702.  On 1 May 1707, under the Acts of Union, two of her realms, the kingdoms of England and Scotland, united as a single sovereign state known as Great Britain.  She continued to reign as Queen of Great Britain and Ireland until her death.

Clarendon, Arlington, Virginia: Clarendon is an urbanized, upper-class neighborhood in Arlington County, Virginia, located between the Rosslyn area and the Ballston area.  It was named after Edward Hyde, 1st Earl of Clarendon, a leading statesman and historian of the English Civil War.  The main thoroughfares are Wilson Boulevard (one-way westbound) and Clarendon Boulevard (one-way eastbound).

Gillingham School: Gillingham School is a coeducational school situated in Gillingham in North Dorset, England.  Gillingham Grammar School can trace its foundation back to 1516.  It was founded as a Free School, paid for out of the proceeds of land gifted to the school by several local landowners, and was managed by twelve trustees or Feoffees.  Evidence exists to prove that the Gillingham Free School persisted without a break until the present day although the format has metamorphosed to a Grammar school and then to its present Comprehensive status.  Among its distinguished alumni was Edward Hyde, who became the 1st Earl of Clarendon, and Lord High Chancellor of England 1661 - 1667.  Edward Frampton was the headmaster in 1648 and he became Bishop of Gloucester in 1680.

The History of the Rebellion: The History of the Rebellion by Edward Hyde, 1st Earl of Clarendon is his account of the English Civil War.  This work (originally published in 1702–1704 as The History of the Rebellion and Civil Wars in England) was the first full-scale, detailed history of the Civil War and was written by a key player in the events contained within it.

Edward Villiers (1620–1689): Sir Edward Villiers (1620 – 2 July 1689) was a British nobleman, politician, knight, and officer from the Villiers family.  He was the fourth son of Sir Edward Villiers and Barbara St. John, half-nephew to George Villiers, 1st Duke of Buckingham.  Edward Hyde, 1st Earl of Clarendon, considered him to be a man of "diligence and dexterity" and referred to him as "honest Ned".

Clarendon House: Clarendon House was a town mansion which stood on Piccadilly in London, England, from the 1660s to the 1680s.  It was built for the powerful politician Edward Hyde, 1st Earl of Clarendon, and was the grandest private London residence of its era.

Great Tew Circle: The Great Tew Circle was a group of clerics and literary figures who gathered in the 1630s at the manor house of Great Tew, Oxfordshire in southern England, and in London.  Lord Clarendon referred to the Circle as "A college situate in a purer air", referring to its pursuit of truth away from the partisan passions of the town.  The quote is referenced by John Buchan in his story "Fullcircle", though he misquotes it as "clearer air".  The house was the property of the noble Cary family, and the circle was brought together by Lucius Cary, who became 2nd Viscount Falkland on the death of his father in 1633.  The most prominent of those taking part was Edward Hyde, the future 1st Earl of Clarendon, who after 1660 would become known as a leading statesman, and then a historian.

Edward Hyde, 1st Earl of Clarendon: Edward Hyde, 1st Earl of Clarendon (18 February 16099 December 1674) was an English statesman who served as Lord Chancellor to King Charles II from 1658, two years before the Restoration of the Monarchy, until 1667.  He was loyal to the king and built-up the royalist cause and served as the chief minister after 1660.  He was one of the most important historians of England, as author of the most influential contemporary history of the Civil War, "The History of the Rebellion" (1702).  He was the maternal grandfather of two monarchs, Queen Mary II and Queen Anne.

Thomas Boleyn, 1st Earl of Wiltshire: Thomas Boleyn, 1st Earl of Wiltshire, 1st Earl of Ormond, 1st Viscount Rochford (c. 1477 – 12 March 1539) was an English diplomat and politician in the Tudor era.  He was born at the family home, Hever Castle, Kent, which had been purchased by his grandfather Sir Geoffrey Boleyn, who was a wealthy mercer.  He was buried at St. Peter's parish church in the village of Hever.  His parents were Sir William Boleyn (1451 – 10 October 1505) and Lady Margaret Butler (1454–1539).  He was the father of Anne Boleyn, the second wife of Henry VIII of England.  As such, he was the maternal grandfather of Queen Elizabeth I.

Supporting paragraphs: Edward Hyde, 1st Earl of Clarendon Anne, Queen of Great Britain
Answer: 8 March 1702