Question: When did the man for whom Robert Carr was a favourite become King of Scotland?

Context paragraphs:
Robert &amp; Johnny: Robert & Johnny were an American doo-wop duo from The Bronx, composed of Robert Carr and Johnny Mitchell.

The Quince Tree Press: The Quince Tree Press is the imprint established in 1966 by J. L. Carr to publish his maps, pocket books and novels.  The Press is now run by his son Robert Carr and his wife, Jane.

James VI and I: James VI and I (James Charles Stuart; 19 June 1566 – 27 March 1625) was King of Scotland as James VI from 24 July 1567 and King of England and Ireland as James I from the union of the Scottish and English crowns on 24 March 1603 until his death.  The kingdoms of Scotland and England were individual sovereign states, with their own parliaments, judiciary, and laws, though both were ruled by James in personal union.

Robert Carr, 1st Earl of Somerset: Robert Carr, 1st Earl of Somerset, (c. 1587 – 17 July 1645), was a politician, and favourite of King James VI and I.

Charles Carr (bishop of Hereford): Carr was born in Alnwick, Northumberland, the younger son of Robert Carr.  He was educated at Liverpool College, and St Catharine's, Cambridge, to which college he was elected a Fellow in 1934.  After university he took Holy Orders at Ridley Hall, Cambridge and embarked on a varied clerical career that took him to many urban locations.

Robert Carr (baritone): Robert Carr (12 April 1881 – 20 November 1948) was an English baritone singer and prolific recording artist.  Born in London, he studied at the Guildhall School of Music and Drama under Bantock Pierrepoint.  He recorded under his own name and as variously Richard Condor, William Duncan, Harry Durrant, Robert Durrant, Ernest Gray, Bobby Gray, Robert Oswald, and perhaps some others.

Robert Carr: Leonard Robert Carr, Baron Carr of Hadley, PC (11 November 1916 – 17 February 2012) was a British Conservative Party politician.

Antony Carr: Antony Carr (1916-1995) was an English author who published five crime novels.  He was the son of the singer Robert Carr and uncle of Australian newsreader Susannah Carr

Milton Robert Carr: Milton Robert Carr, commonly known as Bob Carr, (born March 27, 1943) is a lawyer and politician from the U.S. state of Michigan.

Michael Thomson (judge): Michael A. Thomson is a Canadian lawyer.  Formerly a partner with the law firm of Tapper Cuddy LLP in Winnipeg, Manitoba, he was appointed as a judge of the Family Division of the Court of Queen's Bench of Manitoba on June 1, 2007.  He replaced Robert Carr, who elected to become a supernumerary judge.

Supporting paragraphs: Robert Carr, 1st Earl of Somerset James VI and I
Answer: 24 July 1567