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.
Las Palmas de Gran Canaria has been the largest city in the Canaries since 1768, except for a brief period in 1910. Between the 1833 territorial division of Spain and 1927 Santa Cruz de Tenerife was the sole capital of the Canary Islands.he Canary Islands have a population of 2,117,519 inhabitants (2011), making it the eighth most populous of Spain's autonomous communities, with a density of 282.6 inhabitants per kmÂ². The total area of the archipelago is 7,493 km 2 (2,893 sq mi).