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 establish a larger alliance together with Finland, Poland, and Latvia failed, with only a mutual defence pact being signed with Latvia in 1923, and later was followed up with the Baltic Entente of 1934. In the 1930s, Estonia also engaged in secret military cooperation with Finland. Non-aggression pacts were signed with the Soviet Union in 1932, and with Germany in 1939. In 1938, Estonia declared neutrality, but this proved futile in World War II. On 23 August 1939 Germany and the Soviet Union signed the Molotov–Ribbentrop Pact. The pact's secret protocol divided Eastern Europe into spheres of influence, with Estonia