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Events on Friday 8 July 1695 1
1629 – 1695Christiaan Huygens (1629-1695)Died 8 July 1695, aged 66Dutch mathematician, astronomer, and physicist who discovered Saturn's moon Titan, explained the nature of the planet's rings, and developed the wave theory of light. He also invented the pendulum clock mechanism that greatly improved timekeeping accuracy. He died in The Hague.