AC power plugs and sockets In addition to Germany, it is used in Albania, Austria, Belarus, Bosnia and Herzegovina, Bulgaria, Chile, Croatia, Denmark, Estonia, Finland, Georgia, Greece, Hungary, Iceland, Indonesia, Iran, Italy (standard CEI 23-50), Kazakhstan, Latvia, Lithuania, Luxembourg, Republic of Macedonia, Republic of Moldova, the Netherlands, Norway, Pakistan, Portugal, Romania, Russia, Serbia, Slovenia, South Korea, Spain, Sweden, Turkey, Ukraine, and Uruguay. "Schuko" is an abbreviation for the German word "Schutzkontakt", which means "Protective contact" - in this case "protective" refers to the earth. Some countries, including South Korea, Portugal, Finland, Denmark, Norway and Sweden, require child-proof socket shutters; the German DIN 49440-1:2006-01 standard does
Estonia St. Matthew's Day, where Lembitu was killed. In 1219, Valdemar II landed at Lindanise, defeated the Estonians in battle, and started conquering Northern Estonia. The next year, Sweden invaded Western Estonia, but were repelled by the Oeselians. In 1223, a major revolt ejected the Germans and Danes from the whole of Estonia, except Reval, but the crusaders soon resumed their offensive, and in 1227, Saaremaa was the last county to surrender. After the crusade, the territory of present-day Southern Estonia and Latvia was named Terra Mariana, but later it became known simply as Livonia. Northern-Estonia became the Danish Duchy of