United Kingdom Medieval Built: c. 1070 AD Standing

Windsor Castle

Windsor Castle is the oldest and largest occupied castle in the world, situated in the town of Windsor in the English county of Berkshire, approximately 32 kilometres west of central London. It was founded by William the Conqueror around 1070 as part of a ring of defensive fortifications protecting the western approaches to London following the Norman Conquest, constructed initially in timber before being progressively rebuilt in stone from the 12th century onward. Every English (and later British) monarch from Henry I to Charles III has used the castle as a royal residence — a continuity of over 900 years — making it the longest-occupied palace in European history. Within its walls lies St. George's Chapel, one of the finest examples of Perpendicular Gothic architecture in England and the burial place of ten monarchs including Henry VIII, Jane Seymour, Charles I, and George VI. In November 1992, a devastating fire broke out in the Queen's Private Chapel during renovation work, damaging or destroying over 100 rooms; the five-year restoration, completed in 1997, cost £37 million.

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Windsor Castle

United Kingdom

Longitude: -0.6047

Latitude: 51.4839

Historical Significance

Windsor Castle is both the oldest continuously inhabited royal palace in the world and the symbolic heartland of the British monarchy, embodying the unbroken continuity of English kingship from the Norman period to the present day. Its Chapel of St. George serves as the spiritual home of the Order of the Garter — founded by Edward III in 1348 and the oldest and highest order of chivalry in the world — whose ceremonies continue to be held there annually. The castle's prominence in state occasions, royal weddings, and national ceremonies of mourning (including the funeral of Queen Elizabeth II in 2022) means it remains one of the most politically and emotionally significant buildings in the United Kingdom.

Facts

Fact 1

Oldest Inhabited Castle

Windsor Castle has been continuously used as a royal residence for over 950 years, making it the oldest and largest occupied castle in the world, with a floor area of approximately 45,000 square metres.

Fact 2

Order of the Garter

The Order of the Garter, founded by King Edward III at Windsor in 1348, is the world's oldest national order of chivalry still in active existence; its 24 knights and the sovereign hold an annual procession at St. George's Chapel each June.

Fact 3

Royal Burials

Ten British monarchs are buried in St. George's Chapel, including Henry VIII and his third wife Jane Seymour, Charles I, George III, George VI, and Queen Elizabeth II (interred in the King George VI Memorial Chapel in 2022).

Fact 4

The 1992 Fire

On 20 November 1992, a fire ignited by a spotlight positioned too close to a curtain in the Queen's Private Chapel burned for 15 hours, damaging 115 rooms and requiring 225 firefighters to control; no artworks were lost as staff had been moving items for renovation.

Fact 5

Round Tower

The iconic Round Tower at the castle's center, built by Henry II in the 12th century and raised by George IV in the 19th century to improve its silhouette, now serves as the Royal Archives, housing over 100 million documents.

Fact 6

Wartime Evacuation

During World War II, the Crown Jewels and major artworks from royal palaces were secretly stored at Windsor Castle for safekeeping; the young Princesses Elizabeth and Margaret lived there for most of the war, giving Christmas radio broadcasts from the castle.

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