Adventure playground of them in England, Denmark, France, Germany, The Netherlands and Switzerland. Japan also has a significant number of adventure playgrounds. Denmark has several adventure playgrounds, now known as "Byggelegeplads" (Building-playground) and formerly as "Skrammellegeplads" (Junk-playground). From the first site in Emdrup, the idea spread across the country and at the height of the popularity in the 1960s, there were about 100 adventure playgrounds in the country. Present active adventure playgrounds in Denmark includes: Adventure playground An adventure playground is a specific type of playground for children. Adventure playgrounds can take many forms, ranging from "natural playgrounds" to "junk playgrounds", and
History of the European Union European currency, the euro (launched 1999). The Maastricht Treaty has been amended by the treaties of Amsterdam (1997), Nice (2001) and Lisbon (2007). Large areas of Europe had previously been united by empires built on force, such as the Roman Empire, Byzantine Empire, Frankish Empire, the First French Empire and Nazi Germany. A peaceful means of some consolidation of European territories used to be provided by dynastic unions; less common were country-level unions, such as the Polish–Lithuanian Commonwealth and Austro-Hungarian Empire. In the Congress of Aix-la-Chapelle of 1818, Tsar Alexander, as the most advanced internationalist of the day, suggested a