This document provides a historical overview of major events in US and world history from the late 1700s to the early 2000s. It covers the eras of isolationism, westward expansion, the Civil War, imperialism, World War I, World War II, the Cold War, the Gulf Wars, and the War on Terror. Key moments discussed include Washington's Farewell Address, the Monroe Doctrine, the Treaty of Versailles, Pearl Harbor, the establishment of the UN, the 9/11 attacks, and the wars in Afghanistan and Iraq.