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In page Queen Elizabeth 2:

"

She continued the Cunard tradition of regular scheduled transatlantic crossings every year of her service life, crossing on an opposite and symbiotic summer schedule with the CGT's famous SS France (1960) between 1961 and 1974. Upon the withdrawal of competing SS France from service in 1974, QE2 became the largest operational passenger ship in the world for a few years, until the France was returned to service as SS Norway in 1980.[citation needed]