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.
What is the capital of Spain? Located in the continent of Europe, Spain covers 498,980 square kilometers of land and 6,390 square kilometers of water, making it the 52nd largest nation in the world with a total area of 505,370 square kilometers. Spain was founded as a distinct and original nation in 1479.