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Events on Saturday 17 September 1803 1
1766 – 1803Franz Xaver Sussmayr (1766-1803)Died 17 September 1803, aged 37Franz Xaver Sussmayr was an Austrian composer best remembered for completing Mozart's unfinished Requiem after the composer's death in 1791. He also composed operas and worked as a conductor in Vienna. He died of tuberculosis.