Rajendra I, the Chola emperor, launched a naval expedition against the Srivijaya kingdom in 1025. This campaign resulted in a significant victory for the Cholas, leading to the conquest of key regions such as Kedah and Palembang, and marked the expansion of Chola influence into Southeast Asia. The campaign was a notable event in Indian history, showcasing the Chola Empire's naval prowess and its impact on the maritime trade routes of the region.