April 17: Great Friday (Eastern Christianity, 2009) * 1797 – French Revolutionary Wars: British Lieutenant General Ralph Abercromby and a force of over 6,000 men invaded Spanish-controlled Puerto Rico. * 1895 – The Empire of Japan and the Qing Empire of China signed the Treaty of Shimonoseki to end the First Sino-Japanese War, with China agreeing to renounce its claims on Korea; cede the Liaodong Peninsula, Penghu and Taiwan to Japan; open various ports and rivers to Japanese trade; and pay Japan a war indemnity of 200 million Kuping taels. * 1961 – Armed Cuban exiles backed by the CIA invaded Cuba, landing in the Bay of Pigs, with the aim of overthrowing the Cuban government under Fidel Castro. * 1975 – The Khmer Rouge under Pol Pot captured Phnom Penh, ending the Cambodian