The Romans conquered Spain in the first century B.C. Christianity was introduced to Spain during the Roman Empire. The Vandals and Visigoths, European Germanic groups, came to Spain after the Romans. The Muslim conquest of the Iberian Peninsula took place when Spain was invaded by Muslims from Africa in 711. The Arabs and Berbers who ruled Spain encouraged trade and introduced new crops and irrigation systems. The era also saw advancement in philosophy, medicine, and mathematics, especially during the 10th century. This was known as the Islamic Golden Age in Spain.
The Reconquista ended in 1492 when the Christian kingdoms of Spain conquered Granada. The country gained more power and influence following the discovery of silver in the Americas. Spain lost land and power during the Napoleonic Wars, which lasted from 1803 to 1815. The Spanish Civil War, which lasted from 1936 to 1939, killed over 500,000 people. Spain became a part of the European Economic Community (EEC) in 1986.