Proclamation of Emperor Guangwu

Date: August 5, 25 • Location: Rome, Italy

Liu Xiu (pictured) proclaimed himself the monarch of the Han dynasty as Emperor Guangwu.

The 20s decade ran from January 1, AD 20, to December 31, AD 29.

This milestone marked a defining occurrence in Italy's and world history, leaving an indelible imprint on societal development, international relations, and cultural memory. Its enduring ramifications continue to be examined and commemorated by historians and scholars across the globe.