Which major rebranding did the Guinness World Records undergo in its history that significantly changed its market positioning?

Guinness World Records has been documenting extraordinary achievements since 1955, becoming one of the most recognized brands associated with superlatives worldwide. Their iconic book has been translated into over 40 languages and is sold in more than 100 countries annually. Test your knowledge about this famous brand that has become synonymous with world records and extraordinary achievements!

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Changed from 'Guinness Book of Records' to 'Guinness World Records' in 1999 to reflect its global authority status
Rebranded from 'McWhirter's Almanac of Records' to 'Guinness Book of Records' in 1965
Changed from 'Universal Records Database' to 'Guinness World Records' in 2001
Rebranded from 'Guinness Sports Record Book' to 'Guinness World Records' in 1988