Original sentence: Joseon (July 1392 – August 1910) (also Chosŏn, Choson, Chosun), was a Korean sovereign state founded by Taejo Yi Seong-gye that lasted for approximately five centuries
Edited sentence: Joseon (July 1392 – August 1910) (also Chosŏn, Choson, Chosun), was a Korean sovereign state (or - according to a point of view shared by many Chinese, Japanese and Western scholars - a client state of the Chinese Ming- and Qing-dynasties) founded by Taejo Yi Seong-gye that lasted for approximately five centuries