Arthur Schnitzler was born on May 15, 1862 and died on October 21, 1931. Arthur Schnitzler would have been 69 years old at the time of death or 150 years old today.
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Though we know the estimated date of death (537 at the Battle of Camlann), we don't know when he was born. Of course this is all assuming he ever actually existed. -~Iolaos~-