In 1969, about 80% of newly-minted history PhDs could find a job. In 2011, only half could claim finding 'definite employment' the year after graduation.
From the AHA's 2013 Jobs report.
So I tell people that came to graduate school because I love to teach, and I love to write. But I think another reason is that I love facts. So this year I'm going to try to share my love of facts on this sometimes dormant blog--just one a week, culled (ideally) from the readings I already have to do for coursework.