漢文帝劉恆 [ㄏㄢˋ ㄨㄣˊ ㄉㄧˋ ㄌㄧㄡˊ ㄏㄥˊ; han4 wen2 di4 liu2 heng2] Liu Heng (202-157 BC), the fourth Han emperor Han Wendi, reigned 180-157 BC ◄ ►