London two months. The fortifications failed their only test when the New Model Army entered London in 1647, and they were levelled by Parliament the same year. London was plagued by disease in the early 17th century, culminating in the Great Plague of 1665–1666, which killed up to 100,000 people, or a fifth of the population. The Great Fire of London broke out in 1666 in Pudding Lane in the city and quickly swept through the wooden buildings. Rebuilding took over ten years and was supervised by Robert Hooke as Surveyor of London. In 1708 Christopher Wren's masterpiece, St Paul's Cathedral
Great Fire of London diary that nobody was trying to put it out, but instead they fled from it in fear, hurrying "to remove their goods, and leave all to the fire." The flames crept towards the river front with little interference from the overwhelmed community and soon torched the flammable warehouses along the wharves. The resulting conflagration cut off the firefighters from the immediate water supply from the river and set alight the water wheels under London Bridge which pumped water to the Cornhill water tower; the direct access to the river and the supply of piped water failed together. London possessed advanced