1 Sputnik 1, the first artificial satellite to go into orbit, launched 4 October 1957. 2  Sputnik 2, the first spacecraft to carry a living animal (the dog Laika), launched 3 November 1957.  Sputnik 3, a research satellite launched 15 May 1958.
By population the 3 largest cities in Spain are Madrid 2.9 million, Barcelona 1.5 million, and Valencia 741,000. They include: the capital Madrid, Barcelona and Valencia. Onlyâ¦ two  of Spain's cities, the national capital Madrid and Barcelona, have  populations of more than one million.
Spain is a country located in southwestern Europe on the Iberian Peninsula to the south of France and Andorra and to the east of Portugal. 1  It has coastlines on the Bay of Biscay (a part of the Atlantic Ocean) and the Mediterranean Sea. Spain's capital and largest city are Madrid and the country is known for its long history, unique culture, a strong economy and very high living standards.