Civil Guard (Peru) capital of Peru on a Spanish police mission to organize and instruct for Peru a modern and capable police service from veterans of the old Civil Guard and the remainder of what was then the National Gendarmerie. Leguía through Supreme Resolution of April 4 of 1921 formally assigned for this mission selected policemen from the Spanish Civil Guard which was formally raised, and later signed up in Madrid on October 1 of 1921, the diplomatic settlement for the reformation of the police forces, which materialized into a Merited Mission of the Civil Guard, which on November 22 of 1921 arrived
Trujillo, Peru and others. The Chimu culture built its primary settlement at what is known as Chan Chan, which was the capital, having an estimated 100,000 people at its peak. It is the largest pre-Columbian city built of adobe and has been designated a UNESCO World Heritage Site. Its remains are northwest of the current city center. The present Spanish–Peruvian city of Trujillo was founded in an ancestral territory populated by ancient indigenous civilizations. The Spanish founded new cities expressing their culture in what they called the "Viceroyalty of Peru". The Moche civilization flourished in northern Peru with its Huacas del Sol