Given a text, write a compressed version of it in a single sentence.

A large sign in the center of Guimaraes (49 km/30 miles northeast of Porto) declares "Aqui Nasceu Portugal" ("Here was born Portugal"), testament to the historic nature of this medieval gem of a small city.
A large sign in the center of Guimaraes says "Aqui Nasceu Portugal", testament to the historic nature of this medieval gem of a city.