History of Orkney should continue to be observed in Orkney and Shetland. Thus the udal succession and mode of land tenure (that is, absolute freehold as distinguished from feudal tenure) lingered to some extent, and the remaining udallers held their lands and passed them on without written title. The islands cluster round the huge deep-water anchorage of Scapa Flow like a protecting hand, and in both World War I and World War II, the Royal Navy had a major base there, enabling them to challenge any attempt by German warships to emerge into the ocean through the Norwegian Sea. After the Armistice in
History of the Falkland Islands to leave Port Egmont. Britain and Spain almost went to war over the islands, but the British government decided that it should withdraw its presence from many overseas settlements in 1774. Spain, which had a garrison at Puerto Soledad on East Falklands, administered the garrison from Montevideo until 1811 when it was compelled to withdraw by pressures resulting from the Peninsular War. In 1833, the British returned to the Falkland Islands. Argentina invaded the islands on 2 April 1982. The British responded with an expeditionary force that forced the Argentines to surrender. When the world sea level was lower in