World history encompasses the study of human events, societies, and cultures from ancient times to the present. It examines the rise and fall of empires, the impact of major wars, and the development of trade and technology, shaping the world we live in today. Key figures such as Alexander the Great and Genghis Khan played pivotal roles in this narrative, influencing vast regions and cultures. Throughout history, significant movements like the Renaissance and the Industrial Revolution have transformed societies, leading to advancements in art, science, and industry. Understanding world history helps us appreciate the interconnectedness of different cultures and the lessons learned from past events.