Eventos históricos     – 710 – Saracen invasion of Sardinia.     – 939 – Edmund I succeeds Athelstan as King of England.     – 1275 – Traditional founding of the city of Amsterdam.     – 1524 – Italian Wars: The French troops lay siege to Pavia.     – 1553 – Condemned as a heretic, Michael Servetus is burned at the stake just outside Geneva.     – 1644 – Second Battle of Newbury in the English Civil War.     – 1682 – Philadelphia, Pennsylvania is founded.     – 1795 – The United States and Spain sign the Treaty of Madrid, which establishes the boundaries between Spanish colonies and the U.S.    …