Atomic Energy Community and the European Economic Community into a single institution. In 1968 a common tariff is intorduced due to the fact, that industrial goods are abolished and in the next year the leaders decide to open a way for European enlargement. In 1970 greater powers are given to the European Parliament, in 1973 Denmark, Ireland and the UK join the European Communities. In 1974 the members start to meet as the European Council three times a year. The next year EEC signes a treaty with 46 African, Caribbean and Pacific countries and greater power is given to European Parliament. In 1979 the first direct elections to the European Parliament took place. Two years later Greek joins European Communities (now there were 10 members). In 1985 the Schengen Agreement is signed to abolish border cheks within the EU members. The next year Spain and Portugal join the European Communities. In 1989 the Berlin Wall falls and in the next year German unites