This document provides a detailed history of Seoul, South Korea from its origins as the capital of the Baekje kingdom in 18 BC to its current status as a global economic hub. It traces Seoul's development through the Three Kingdoms period, Goguryeo rule, the Silla and Joseon dynasties, Japanese colonization, the Korean War, and its post-war economic rise. Key events discussed include the invention of the Korean alphabet under King Sejong, the Imjin War Japanese invasions, division after WWII, and Seoul's rebuilding following the devastation of the Korean War.