History of Portugal the Moors in 1249, and in 1255 the capital shifted to Lisbon. Neighboring Spain would not complete its "Reconquista" until 1492, almost 250 years later. Portugal's land boundaries have been notably stable for the rest of the country's history. The border with Spain has remained almost unchanged since the 13th century. The Treaty of Windsor (1386) created an alliance between Portugal and England that remains in effect to this day. Since early times, fishing and overseas commerce have been the main economic activities. During the 15th and 16th centuries, Portugal became a leading European power that ranked with England, France
Denmark–Sweden border was still a country although under practical control by Germany). The Nordic Passport Union of 1958 removed passport checks at the border. However, custom checks remained in force between Denmark and other Nordic countries until the Schengen acquis of 2001. There was no land border with Denmark before July 2000 when the Øresund Bridge was opened, which had relaxed customs checks from the start. With the European migrant crisis, Sweden re-introduced stricter border controls in November 2015. Since 4 January 2016, Sweden has required carriers to perform identity checks on the Danish side of the Denmark–Sweden border, while still keeping