The Almanach de Gotha was first published in 1763 and Justus Perthes founded his science publishing company in 1785 .
The Almanach de Gotha is a directory of European royalty and nobility .
The Almanach de Gotha , a directory of European royalty and nobility , was first published in 1763 and Justus Perthes founded his science publishing company in 1785 .