What is history

History: In ancient times, writing on bamboo slips, first use fire bamboo slips, make it dry, called "killing green"; It is also called "sweat" because bamboo slips come out of the water when they are baked. The latter refers to manuscripts and historical books.

Song Wentian sample "over zero Ding Yang" : "Life since ancient times who did not die, leave the heart according to history."