The Most Noble Sir Hugh Percy, 1st Duke of Northumberland (c. 1714–June 6, 1786) KG PC was the son of Langdale Smithson. The prefix The Most Noble is a title of quality attached to the names of dukes and duchesses in the United Kingdom. ... // Events August 1 - George, elector of Hanover becomes King George I of Great Britain. ... June 6 is the 157th day of the year in the Gregorian calendar (158th in leap years), with 208 days remaining. ... 1786 was a common year starting on Sunday (see link for calendar). ... A garter is one of the Orders most recognisable insignia. ... A privy council is a body that advises the head of state of a nation, especially in a monarchy. ...

The Duke was born with the name Hugh Smithson but changed the family surname to Percy when he married Elizabeth Seymour, daughter of Algernon Seymour, 7th Duke of Somerset, on 16 July 1740, who was Baroness Percy in her own right. They had two children: Algernon Seymour, 7th Duke of Somerset (November 11, 1684–February 7, 1750) was the son of Charles Seymour, 6th Duke of Somerset and Lady Elizabeth Percy. ... July 16 is the 197th day (198th in leap years) of the year in the Gregorian Calendar, with 168 days remaining. ... Events May 31 - Friedrich II comes to power in Prussia upon the death of his father, Friedrich Wilhelm I. October 20 - Maria Theresia of Austria inherits the Habsburg hereditary dominions (Austria, Bohemia, Hungary and present-day Belgium). ...

• Hugh Percy, 2nd Duke of Northumberland (1742–1817)
• Algernon Percy, 1st Earl of Beverley (1750–1830)

The remainder of the Duke of Somerset's title, Earl of Northumberland passed to Hugh Percy as the husband of his daughter when he died. In 1766, the earl was created 1st Duke of Northumberland and was created Baron Lovaine on 28 June 1784, with a special remainder in favour of his youngest son, Algernon. He was created a Knight of the Order of the Garter (K.G.) in 1756 and a Privy Counsellor in 1762. Hugh Percy, 2nd Duke of Northumberland (14 August 1742 - 10 July 1817) entered the British Army in 1759, and married Lady Anne Crichton-Stuart, daughter of Lord Bute, in 1764. ... // Events January 24 - Charles VII Albert becomes Holy Roman Emperor. ... 1817 was a common year starting on Wednesday (see link for calendar). ... Events March 2 - Small earthquake in London, England April 4 - Small earthquake in Warrington, England August 23 - Small earthquake in Spalding, England September 30 - Small earthquake in Northampton, England November 16 – Westminster Bridge officially opened Jonas Hanway is the first Englishman to use an umbrella James Gray reveals her sex... 1830 was a common year starting on Friday (see link for calendar). ... 1766 was a common year starting on Wednesday (see link for calendar). ... The title Duke of Northumberland was created in 1551 for John Dudley. ... (Some entries on this page have been duplicated on August 1. ... 1784 was a leap year starting on Thursday (see link for calendar). ... A garter is one of the Orders most recognisable insignia. ... 1756 was a leap year starting on Thursday (see link for calendar). ... A privy council is a body that advises the head of state of a nation, especially in a monarchy. ... 1762 was a common year starting on Friday (see link for calendar). ...

The duke and duchess were prominent patrons of Robert Adam for neoclassical interiors in the Jacobean mansion Northumberland House, the London seat of the Earls of Northumberland; it was demolished ca. 1870-1871, in connection with the creation of Trafalgar Square. Remnants of the Northumberland House Glass Drawing-Room are preserved at the Victoria and Albert Museum. The greater Adam interiors for the Duke are at Syon House, executed in the 1760s. At Alnwick Castle, Northumberland, the Duke employed James Wyatt, whose work has been effaced by later remodelings. Kedleston Hall. ... Neoclassicism (sometimes rendered as Neo-Classicism or Neo-classicism) is the name given to quite distinct movements in the visual arts, literature, theatre, music, and architecture. ... The term Jacobean refers to a period in English history that coincides with the reign of James I (1603 – 1625). ... The Strand front of Northumberland House in 1752 by Canaletto. ... The title of Earl of Northumberland was created several times in the Peerages of England and Great Britain. ... 1870 was a common year starting on Saturday (see link for calendar). ... 1871 was a common year starting on Sunday (see link for calendar). ... Trafalgar Square (from the Arabic Taraf Al-Aghar meaning literally Side of Victory) is a square in central London that commemorates the Battle of Trafalgar (1805), a British naval victory of the Napoleonic Wars. ... The Cromwell Road entrance to the Victoria and Albert Museum The Victoria and Albert Museum viewed from Thurloe Square The main interior courtyard of the Victoria and Albert Museum in 2004. ... Syon House and its 200 acre (800,000 m²) park is in southwest London, in England. ... Events and Trends King George III ascends the British throne in 1760. ... Alnwick Castle, from the east, across the pastures and the River Aln Alnwick Castle is a castle and stately home in Alnwick, Northumberland, England. ... Fonthill Abbey. ...

His illegitimate son (by Elizabeth Hungerford Keate), James Smithson (1765-1829), is famed for having made the founding bequest for the Smithsonian Institution in Washington, D.C.. James Smithson (1765 - June 27, 1829) was a British mineralogist and chemist noted for having left a bequest in his will to the United States of America, which was used to fund the Smithsonian Institution. ... The Smithsonian Institution Building or Castle on the National Mall serves as the Institutions headquarters. ...