February 20 * 1472 – James III of Scotland officially annexed Orkney and Shetland from Christian I of Denmark as part of a dowry payment Christian owed after his daughter Margaret married James. * 1816 – Italian composer Gioachino Rossini's opera buffa The Barber of Seville, based on the first Figaro play by French playwright Pierre Beaumarchais, debuted at the Teatro Argentina in Rome. * 1959 – The Canadian government under Prime Minister John Diefenbaker cancelled the Avro CF-105 Arrow interceptor aircraft programme amid much political debate. * 1962 – Aboard Friendship 7, John Glenn became the first American to orbit the Earth, circling the planet three times in 4 hours, 55 minutes. * 2005 – Spanish voters passed a referendum on the ratification of the proposed Constit