Original: Castelao in a letter to the President of the Pontevedra Centre in Buenos Aires , 1947 Also in 1916 , he participated in the Asembleia Nazonalista de Lugo ( '' Nationalist Assembly of Lugo '' ) , signing a key declaration for the history of Galician nationalism .
Simplified: In 1916 , he moved to Pontevedra , where he joined the Irmandades da Fala and participated in the Asembleia Nazonalista de Lugo , signing an important national declaration .