Deutsche Lufthansa AG, trading as the Lufthansa Group, is a German aviation group. Its major and founding subsidiary airline Lufthansa German Airlines, branded as Lufthansa, is the flag carrier of Germany. It ranks second in Europe by passengers carried, as well as largest in Europe and fourth largest in the world by revenue. Lufthansa Airlines is also one of the five founding members of Star Alliance, which is the world's largest airline alliance, formed in 1997.
Lufthansa was founded in 1953 and commenced operations in April 1955.
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