This document provides a timeline of key events in the territorial expansion and foreign policy of the United States from 1650 to 1920. It outlines the colonial settlements of European powers in North America in the 17th century, as well as disputes over territory between France and Britain that led to the French and Indian War in the 1760s. Key treaties and wars are mentioned, including the American Revolution, Louisiana Purchase, Mexican-American War, and Spanish-American War, through which the United States acquired new lands and colonies. The document also briefly discusses the later 19th century Indian Removal period and reservation system, as well as early 20th century policies like the Panama Canal, Roosevelt Corollary, and Dollar Diplomacy.