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.
[Ëpalma]), in full Palma de Mallorca, is the capital and largest city of the autonomous community of the Balearic Islands in Spain.It is situated on the south coast of the island Majorca on the Bay of Palma.s of the 2009 census, the population of the city of Palma proper was 401,270, and the population of the entire urban area was 621,000, ranking as the twelfth largest urban area of Spain. Almost half of the total population of Majorca live in Palma.