1959 -- SAS and Thai Airways establish Thai Airways International.

October, 1992 -- Air Canada and United unveil an alliance agreement.

October, 1993 -- Lufthansa and United announce a comprehensive marketing agreement including code-sharing.

June, 1994 -- The first United and Lufthansa code-sharing flights begin.

May, 1995-- SAS and Lufthansa announce a far-reaching strategic alliance, including code-sharing. The same month, United and Air Canada expand code sharing.

June, 1995 -- SAS and THAI announce a code-sharing agreement to begin in June the following year.

September, 1995 -- United Airlines and SAS announce a cooperation agreement, including code-sharing, to begin in April the following year.

October, 1995 -- THAI and Lufthansa begin code-sharing flights.

February, 1996 -- Lufthansa and SAS begin code-sharing flights between Germany and Scandinavia

March, 1996 -- Lufthansa and Air Canada announce a comprehensive alliance.

May, 1996 — The United Airlines-Lufthansa alliance receives anti-trust immunity from the U.S. Department-of Transportation.

June, 1996 -- Air Canada and Lufthansa begin code-sharing flights between Germany and Canada.

October, 1996 — THAI receives U.S. approval for code-sharing services with United. The same month, SAS and Air Canada announce an alliance to start the following year.

November, 1996 -- United, Lufthansa and SAS are awarded trilateral anti-trust immunity by the U.S. Department of Transportation.

May, 1997 -- Star Alliance takes off. VARIG announces intention to join in October.

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