Historical milestones are significant events or achievements that mark important changes or developments in history. These milestones can include the signing of treaties, the discovery of new lands, or the invention of groundbreaking technologies. Each milestone often represents a turning point that shapes the course of societies and cultures. Examples of historical milestones include the Declaration of Independence in 1776, which established the United States as a nation, and the Industrial Revolution in the 18th and 19th centuries, which transformed economies and lifestyles worldwide. Such events help us understand the evolution of human civilization and its impact on the present.