In 668 , under King Munmu of Silla ( King Muyeol 's successor ) and General Gim Yu - sin , Silla conquered Goguryeo to its north .
In 660 , under Muyeol of Silla ( 654 - 661 ) , Silla subjugated Baekje .
In 668 , under King Munmu of Silla ( King Muyeol 's successor ) and General Gim Yu - sin , Muyeol of Silla conquered Goguryeo to its north .
In 660 , under Muyeol of Silla ( 654 - 661 ) , Silla subjugated Baekje .