Arthur Evans was born on July 8, 1851.
Arthur Weasley's birthday is on the 6th of February.
Arthur Kirkland, or England's , from the anime Hetalia, birthday is on April 23rd
The noun Arthur's is a proper possessive noun. The noun birthday is a common noun.
Arthur Chichester was born on June 16, 1606.
Arthur Annesley was born on July 10, 1614.
Arthur Lydiard was born on July 6, 1917.
Arthur Davis was born on June 14, 1905.
Arthur Tooth was born on June 17, 1839.
Arthur Tremblay was born on June 18, 1917.
Arthur Villeneuve was born on January 4, 1910.
Arthur Conley was born on January 4, 1946.
Arthur Kane was born on February 3, 1949.