Lincolnshire reaching between 4.7 and 5.3 on the Richter magnitude scale; it was one of the largest earthquakes to affect Britain in recent years. Lincolnshire is home to Woolsthorpe Manor, birthplace and home of Sir Isaac Newton. He attended The King's School, Grantham. Its library has preserved his signature, carved into a window sill when he was a youth. Bedrock in Lincolnshire features Jurassic limestone (near Lincoln) and Cretaceous chalk (north-east). For much of prehistory, Lincolnshire was under tropical seas, and most fossils found in the county are marine invertebrates. Marine vertebrates have also been found including ichthyosaurus and plesiosaur .
Margaret Thatcher of the Conservative Party in 1975. As Prime Minister, Thatcher received two honorary distinctions: Two weeks after her resignation, Thatcher was appointed Member of the Order of Merit (OM) by the Queen. Her husband Denis was made a hereditary baronet at the same time. As his wife, Thatcher was entitled to use the honorific style "Lady", an automatically conferred title that she declined to use. She became Lady Thatcher in her own right upon her ennoblement in the House of Lords. In the Falklands, Margaret Thatcher Day has been marked each 10 January since 1992, commemorating her first visit to