Treaty of Schönbrunn Schlossberg fortress, whose garrison had firmly resisted the French occupation forces, was largely demolished. Austria also had to apply Napoleon's Continental System, as Britain remained at war with France. One contemporary British view on the treaty was: Though considerably weakened, Austria remained a European great power. Emperor Francis I approached to the French by marrying his daughter Marie Louise off to Napoleon (whom she at first detested) in 1810. As a result of Metternich's change of policies, the Austrian forces joined the French invasion of Russia in 1812. During the negotiations at Schönbrunn, Napoleon narrowly escaped an attempt on his
History of the European Union headed by Walter Hallstein (Hallstein Commission) and Euratom was headed by Louis Armand (Armand Commission) and then Etienne Hirsch. Euratom would integrate sectors in nuclear energy while the EEC would develop a customs union between members. Throughout the 1960s tensions began to show with France seeking to limit supranational power and rejecting the membership of the United Kingdom. However, in 1965 an agreement was reached to merge the three communities under a single set of institutions, and hence the Merger Treaty was signed in Brussels and came into force on 1 July 1967 creating the European Communities. Jean Rey presided