Join六 商业与财务 upcoming events being held in Grantham. Grantham is a historic market town in the East Midlands of England, known as the birthplace of former Prime Minister Margaret Thatcher and the location of Isaac Newton's alma mater, the Grantham Grammar School, offering a range of cultural and recreational activities, including the Grantham Museum, Belton House, and the South Kesteven Snowsports Centre, easily accessible by road and rail, and a convenient destination for events of all kinds.