Europe of population are Saint Petersburg, Madrid, Berlin and Rome, each having over 3 million residents. When considering the commuter belts or metropolitan areas, within the EU (for which comparable data is available) London covers the largest population, followed in order by Paris, Madrid, Barcelona, Berlin, the Ruhr area, Rome, Milan, Athens and Warsaw. "Europe" as a cultural concept is substantially derived from the shared heritage of the Roman Empire and its culture. The boundaries of Europe were historically understood as those of Christendom (or more specifically Latin Christendom), as established or defended throughout the medieval and early modern history of
Quakers in Europe Quakers in Europe The Quaker movement began in England in the Seventeenth Century. Small Quaker groups were planted in various places across Europe during this early period (For instance, see the Stephen Crisp article). Quakers in Europe outside Britain and Ireland are not now very numerous although new groups have started in the former Soviet Union and satellite countries. By far the largest national grouping of Quakers in Europe is in Britain. Quaker Meetings are held in Brussels and Luxembourg, with occasional meetings in Antwerp and Ghent. The first Meeting for Business was held in Brussels in March 1975. There