This is a historical event that marks the beginning of a new era in human history. It marks the transition from small, tribal societies to large, complex empires. The first empires were established in the ancient Near East, and they had a profound impact on the development of human civilization. They brought
The Mexican Empire was a constitutional monarchy and the first independent government of Mexico. It was also the only former viceroyalty of the Spanish Empire to establish a monarchy after gaining independence. The empire existed from 1821 to 1823, making it one of the few modern-era independent monarchies in the Americas. To distinguish it from the later Second Mexican Empire (1864–1867) under Emperor Maximilian, this historical period is commonly referred to as the First Mexican Empire. The empire was led by former Royal Spanish military officer Agustín de Iturbide, who ruled as Agustín I.