500
Name the proper nouns in the following paragraph:
Thomas A. Edison was born in Milan, Ohio, on February 11, 1847. His family moved to Port Huron, Michigan, when he was seven years old. Surprisingly, he attended school for only two months. His mother, a former teacher, taught him a few things, but Edison was mostly self-educated.
Thomas A. Edison
Milan
Ohio
February
Port Huron
Michigan