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In page Airline alliance:

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The first airline alliance was formed in the 1930s, when Panair do Brasil and its parent company Pan American World Airways agreed to exchange routes to Latin America. In 1990, the African Joint Air Services (AJAS) Accord between Tanzania, Uganda and Zambia led to the launch of Alliance Air in 1994, with South African Airways, Air Tanzania, Uganda Airlines and the governments of Uganda and Tanzania as shareholders.[citation needed]