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Diaghilev's career in St. Petersburg spanned the years from 1898 to 1906, a transformative period in the history of Russian art and culture. During this time, he served as a patron, organizer, and impresario, bringing together some of the most talented artists, musicians, and dancers of his era. Diaghilev's bold and innovative approach to the performing arts laid the foundation for his later achievements, including the legendary Ballets Russes.