History of Peru since most of the presidents that ruled the country were from the social elite. During Augusto B. Leguía's periods in government [1908–1912 and 1919–1930, the latter known as the "Oncenio" (the "Eleventh")], the entrance of American capital became general and the bourgeoisie was favored. This policy, along with increased dependence on foreign investment, focused opposition from the most progressive sectors of Peruvian society against the landowner oligarchy. There was a final peace treaty in 1929, signed between Peru and Chile and called the Treaty of Lima by which Tacna returned to Peru and Peru yielded permanently the formerly rich provinces
Vehicle registration plates of Peru background, but they used the format AB-1234. The redesign of the Peruvian plates included many changes. The national flag of Peru is displayed in color, without the shield, in the upper left hand corner. The word Peru is centered at the top in all capital letters. There is a holographic label at the top right with the plate number and nanotext, and any attempt to remove it will cause its destruction. The background to the plate has reflective sheeting which contains a high security seal (watermark). At the lower left of the plate a security serial number is laser engraved