was strongly industrialized. With further economic decentralization of Yugoslavia in 1965–66, Slovenia's domestic product was 2.5 times the average of Yugoslav republics. While being a Communist country, after the Tito–Stalin split Yugoslavia initiated a period of military neutrality and non-alignment. JAT Yugoslav Airlines was the flag carrier and during its existence it grew to become one of the leading airlines in Europe both by fleet and destinations, its fleet included most of the Western-built aircraft, and destinations included five continents. By the 1970s more airlines were created including Slovenian Adria Airways mostly focused in the growing tourist industry. Until the 1980s, Slovenia enjoyed relatively broad autonomy within the federation. It was the most liberal communist state in Europe, the passport of Yugoslavia Federation allowed Yugoslavians to travel to most world countries of any socialist country during the Cold War. Many people worked in western countries, which reduced unemployment in their home country. Opposition to the regime was mostly limited to intellectual and literary circles and became especially vocal after Tito's death in 1980 when the economic and political situation in Yugoslavia became very strained. Political disputes around economic measures were echoed in the public sentiment, as many Slovenians felt they were being economically exploited, having to sustain an expensive and inefficient federal administration. Slovenian Spring, democracy and independence In 1987 a group of intellectuals demanded Slovene independence in the 57th edition of the magazine Nova revija. Demands for democratisation and more Slovenian independence were sparked off. A mass democratic movement, coordinated by the Committee for the Defence of Human Rights, pushed the Communists in the direction of democratic reforms. In September 1989, numerous constitutional amendments were passed to introduce parliamentary democracy to Slovenia. On 7 March 1990, the Slovenian Assembly changed the official name of the state to the "Republic of Slovenia". In April 1990, the first democratic election in Slovenia took place, and the united opposition movement DEMOS led by Jože Pučnik emerged victorious. The initial revolutionary events in Slovenia pre-dated the Revolutions of 1989 in Eastern Europe by almost a year, but went largely unnoticed by international observers. On 23 December 1990, more than 88% of the electorate voted for a sovereign and independent Slovenia. On 25 June 1991, Slovenia became independent through the passage of appropriate legal documents. On 27 June in the early morning, the Yugoslav People's Army dispatched its forces to prevent further measures for