Technically “London” didn’t become the capital until after the 16th Century. The city was also the base for Edward’s army. During the fourteenth century, London’s port became a European hub for the distribution of goods. For those years, York was effectively the capital of England. Exclusive: Historians now believe they know why the Romans moved the capital from Colchester London is the capital of England and the United Kingdom and one of the largest and most important cities in the world. London. For many years, England had no capital city. It is located on River Thames and has been a major settlement for more than two thousand years. No it wasn't. It was boom-time for the city's shopkeepers and merchants. However, the institutions of central government were moved to Westminster, close to London. Thousands of men stayed in York on their march north, and meat and grain was stored in the city. An ever-growing city. London is the capital of England and the largest metropolitan area of both the UK and the European Union. They only returned to London in 1304. I’m cool that way. Its always been the "capital" of the north by which I mean the most important city in the north of England but London has been the capital all the way back to Roman times as it was an important trading post back then. This and the rise of trade in the area were two decisive factors in London's emergence as the capital of England. York, England – The Viking Capital of England by Ben Johnson. It’s a fun story! What we now call “the City of London”, the ancient square mile that Rome founded, was an entity of its own. London is not only the capital of England, but also the most populous city in the UK. Winchester was the capital of England between the 10th and 11th centuries. Canterbury had been the capital of England in the middle ages and still hosts the head of the Anglican Church. How London became Britain's capital has been revealed for the first time. To me at least. They advanced on three fronts; north to Lincoln, and west to Wroxeter and Gloucester. In the first five years following their conquest of Britain in AD43, the Roman armies advanced slowly from their administrative and economic centre, London.