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.
Capital of Spain. The Capital City of Spain (officially named Kingdom of Spain) is the city of Madrid. The population of Madrid was. Spain is a Spanish speaking country on the coasts of the Mediterranean sea and the Gibraltar.he Capital City of Spain (officially named Kingdom of Spain) is the city of Madrid. The population of Madrid was.