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
Ravens of the Tower of London birds be removed, but Charles II refused to comply with this request. Another variation of this legend says that it was Charles II himself who disliked the wild ravens' droppings falling onto the telescope. The conversation with his astronomer that supposedly followed decided the fate not only of the ravens, but also of Greenwich, where the Greenwich Observatory was commissioned by the King in 1675. In this version of the legend the King complained: Yet another legend attributes the appearance of ravens in the Tower to the Great Fire of London in 1666. Wild ravens, as well as pigs and