     the liu song dynasty (; wade-giles: liu sung ch'ao), also known as former song (åå®) (420-479 ce), 
5th_century_in_China Former_countries_in_Chinese_history Former_empires Former_monarchies_of_Asia Liu_Song_dynasty Southern_and_Northern_Dynasties States_and_territories_disestablished_in_the_5th_century States_and_territories_established_in_420