Constantine the Great vs Rajendra Chola I

Constantine defeated his rival Maxentius at the Milvian Bridge near Rome. According to tradition, Constantine saw a vision of a cross in the sky with the words 'In this sign, conquer.' The victory made Constantine the sole ruler of the Western Roman Empire and led to his conversion to Christianity.

Constantine and his co-emperor Licinius issued the Edict of Milan, granting religious toleration to all religions in the Roman Empire, including Christianity. The edict ended the persecution of Christians, restored confiscated church property, and established Christianity as a legally recognized religion.

Constantine defeated his co-emperor Licinius at the battles of Adrianople and Chrysopolis, ending the Tetrarchy system. He became the sole ruler of the entire Roman Empire, reuniting the Western and Eastern halves under his control. This reunification was the last time the Roman Empire was united under a single ruler.

Constantine convened the First Council of Nicaea, the first ecumenical council of the Christian Church, to resolve the Arian controversy over the nature of Christ. The council produced the Nicene Creed, affirming the divinity of Christ and establishing a unified Christian doctrine. Constantine presided over the council.

Constantine dedicated the city of Constantinople (modern Istanbul) as the new capital of the Roman Empire, built on the site of the ancient Greek city of Byzantium. The city was strategically located on the Bosporus strait, controlling trade routes between Europe and Asia. It became the capital of the Eastern Roman Empire for over a thousand years.

Rajendra Chola I succeeded his father Raja Raja Chola I as emperor of the Chola Empire. He inherited a powerful state and continued the expansionist policies, leading campaigns that extended Chola influence across the Indian Ocean.

Rajendra Chola I led a campaign into Bengal, defeating the Pala king Mahipala I. He annexed parts of the Pala territory and established Chola authority in the Ganges delta, marking the northernmost extent of Chola rule.

Rajendra Chola I launched a major naval expedition against the Srivijaya Empire, attacking ports in Sumatra, the Malay Peninsula, and the Nicobar Islands. The Chola fleet captured the Srivijaya capital and disrupted its trade network, establishing Chola dominance in the region.

Rajendra Chola I sent an embassy to the Song dynasty court in China, bearing gifts and seeking trade relations. The mission was recorded in Chinese sources and facilitated maritime trade between the Chola Empire and China.

Rajendra Chola I built the Brihadeeswarar Temple at Gangaikonda Cholapuram, his new capital, to commemorate his conquests. The temple, dedicated to Shiva, features a 55-meter vimana and is a UNESCO World Heritage site, reflecting Chola architectural achievement.