Complex sentence: He assumed the name of Gangaikonda Cholan, meaning the one who conquered the Ganges and established Gangaikonda Cholapuram as his capital from the medieval Chola capital of Thanjavur, which would go on to be the capital for 250 years.
Split into simpler sentences: He assumed the name of Gangaikonda Cholan, meaning the one who conquered the Ganges. He established Gangaikonda Cholapuram as his capital from the medieval Chola capital of Thanjavur, which would go on to become the capital for the next 250 years.