- Political affairs
- Presumptive election of Augusto B. Leguía as President—Overthrow of President Pardo, July 4, 1919; assumption of power by Leguía as Provisional President—New congressional election and plebiscite on constitutional reforms; victory of the Government—Recognition by the United States of Leguía as head of the de facto government, August 28—His inauguration as constitutional President, October 12—Continued designation of his government by the United States as de facto (Documents 692-730)
- Boundary dispute with Colombia.
- The Tacna-Arica question.
- Convention with the United States for facilitating the work of traveling salesmen.