n.
1.the aggregate of past events
2.the continuum of events occurring in succession leading from the past to the present and even into the future
3.a record or narrative description of past events
4.the discipline that records and interprets past events involving human beings
5.all that is remembered of the past as preserved in writing
Idiom of the Day
put one's head on the block for (someone or something)
to take great risks for someone or something
Our supervisor was always willing to put his head on the block for any member of the staff.