The first emperor of a unified Japan in the 7th century was Emperor Meiji. His reign, beginning in 1867, marked Japan's transformation from a feudal society to a modern state following the Meiji Restoration. This period involved the rapid modernization and industrialization of Japan, adopting Western practices in government, military, and industry. Emperor Meiji played a crucial role in redefining Japan’s national identity and asserting its place on the global stage. His leadership helped Japan become one of the world's leading nations by the early 20th century.