forgotten

there are lots of ppl who are forgotten
although these ppl are members of history but no one seems to know their contribution.

not sure if i feel sad or happy for them.
happy for their 'bad' history, not written and forgotten by ppl. but sad that their contribution is forgotten

all remembers Han Wu Di's contribution in history but who remember the courtiers who did the job for him

one not knowing history, will not know how bad Empress Lv of Liu Bang. So is that good news?