George IV

The Lords Commissioners granted Royal Assent to the Regency Act 1811, formalizing the Prince of Wales's role as regent.

George, Prince of Wales, officially became Prince Regent on 5 February 1811 due to his father's mental illness.

The Regent hosted a grand reception at Carlton House in June 1811 to celebrate his regency.

Caroline traveled from Italy to England in June 1820 to assert her position as queen consort, defying King George IV's attempts to divorce her.

The coronation was postponed from its original August 1820 date to July 1821 due to parliamentary proceedings against Queen Caroline.

Queen Caroline was turned away from the coronation at Westminster Abbey despite retaining her title.

The coronation was the most extravagant ever staged, featuring the last recorded coronation feast.

George III died of pneumonia at Windsor Castle on 29 January 1820, aged 81, ending his reign.

The Prince Regent ascended the throne as George IV upon his father's death, with no change in powers.

Edinburgh prepared for the King's visit following a July notice. Scott organized a pageant to improve the King's public image, persuading him to wear Highland dress.

The King appeared publicly on a Monday afternoon at Holyroodhouse to hear addresses from various Scottish institutions and give formal responses.

The first pageant occurred on the King's 60th birthday, August 12, 1822. Edinburgh was filled with visitors enjoying illuminations and torchlight processions.

On August 27, the King attended a theatre performance of Scott's Rob Roy. The visit concluded on August 29 with a visit to Hopetoun House.

Work on the King's Library Gallery began in 1823, forming the east wing of the new British Museum building in London.

Queen Kamāmalu died of measles in London on July 8, 1824, during the royal visit.

King Kamehameha II died of measles in London on July 14, 1824, six days after his wife.

Daniel O'Connell defeated William Vesey Fitzgerald in the 1828 County Clare by-election, forcing the issue of emancipation.

The Parliament of the United Kingdom passed the Roman Catholic Relief Act 1829, removing sacramental tests barring Catholics from Parliament and higher offices.

The Parliamentary Elections (Ireland) Act 1829 was passed simultaneously to secure the Protestant Ascendancy, disenfranchising tenant farmers.

O'Connell was re-elected and took his seat in Westminster, standing unopposed in a new by-election.

William IV succeeded George IV as King of the United Kingdom on 26 June 1830, becoming the last Hanoverian king in the UK.