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 .
Death and funeral of Margaret Thatcher polarised views about Thatcher on Twitter, and endorsing campaigns and demonstrations. Anti-Thatcher sentiment prompted a campaign on social media networks to bring the song "Ding-Dong! The Witch Is Dead" from "The Wizard of Oz" into the UK Singles Chart, followed by a counter-campaign adopted by Thatcher supporters in favour of the 1979 tongue-in-cheek punk song "I'm in Love with Margaret Thatcher" by the Notsensibles, which had been started by the band's lead singer. On 12 April 2013, "Ding-Dong!" charted at number 2 across the UK (it made number 1 in Scotland), and "I'm in Love with Margaret Thatcher" at number