Smartipedia

Schengen Agreement

The Schengen Agreement created Europe's passport-free travel zone, allowing over 400 million people to move freely across 27 countries while maintaining common external border security.

Portugal–Spain border

The Portugal–Spain border is a 1,214-kilometer international boundary that has remained remarkably stable for over 700 years and now functions as an open frontier within the European Union's Schengen Area.

Mexico–United States border

The Mexico–United States border is a 1,954-mile international boundary that serves as both a critical economic corridor facilitating billions in annual trade and a complex security frontier shaped by migration, enforcement policies, and binational cooperation challenges.

Canada–United States border

The Canada–United States border is the world's longest undefended international boundary, stretching 8,891 kilometers and facilitating extensive trade, travel, and cooperation between two of the world's closest allies while maintaining distinct national sovereignties.

Argentina–Brazil border

The Argentina–Brazil border is a 1,261-kilometer international boundary that follows natural features like the Uruguay River and serves as a model of peaceful coexistence, economic cooperation, and environmental conservation between South America's two largest countries.

Argentina–Uruguay border

The Argentina–Uruguay border is a 579-kilometer fluvial boundary following the Uruguay River and Río de la Plata, established in the 19th century and maintained as one of South America's most peaceful and cooperative international boundaries.

Uruguayan independence

Uruguayan independence was achieved in 1828 through a complex process involving liberation from Spanish rule, resistance to Brazilian occupation, and British-mediated negotiations that established Uruguay as an independent buffer state between Brazil and Argentina.

Cisplatina

Cisplatina was a Brazilian province from 1821 to 1828 that encompassed present-day Uruguay, whose disputed status led to the Cisplatine War and ultimately resulted in the creation of Uruguay as an independent buffer state between Brazil and Argentina.

Sun of May

The Sun of May is a national symbol of Argentina and Uruguay featuring a golden sun with human features and alternating rays, representing the Inca sun god Inti and commemorating the May Revolution of 1810 that began the South American independence movement.

Departments of Uruguay

Uruguay's 19 departments serve as the country's primary administrative divisions, combining regional and local government functions under elected Intendentes and Departmental Boards in a system that has remained stable since 1885.

Provinces of Argentina

The provinces of Argentina are 23 semi-autonomous administrative divisions that form the foundation of Argentina's federal system, each with its own government and constitution while participating in the broader national framework.

Provinces and territories of Canada

Canada's ten provinces and three territories form a federal system where provinces have constitutional powers while territories operate under federal authority, creating diverse political entities that reflect the country's geographic, cultural, and economic complexity.