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 .
Cultural depictions of Margaret Thatcher During her political career, Margaret Thatcher was the subject or the inspiration for several protest songs. Paul Weller was a founding member of Red Wedge collective, which unsuccessfully sought to oust Thatcher with the help of music. In 1987, they organised a comedy tour with British comedians Lenny Henry, Ben Elton, Robbie Coltrane, Harry Enfield and others. Less than two months after Thatcher resigned, musical acid house group V.I.M. released a rave track titled "Maggie's Last Party". Described by a music critic in 2011 as "strikingly original, and catchy to the point of irritation", the track was a "fusion" of