Acre until 1909, with the Velarde-RíoBranco Treaty, where the borders between Peru and Brazil were defined. It was signed in Rio de Janeiro, on September
Francisco de Paula Matéus, arguing that Tanco had no instructions. The Tobar–RíoBranco Treaty was signed between Brazil and Ecuador on May 4, 1904, the same
p173 ISBN 978-0-19-928358-3, p229 FUNAG – International Seminar Baron of RioBranco – 100 years of memory, September 2012 Archived 24 March 2014 at the Wayback