This is very cool. WritersDreamTools.com provides all the things you would want to know about any decade from the 1650's on. Things like major historical events, catch phrases, who the major characters were, who died, the bad guys, what music played, what was the entertainment like and so on. You can see how useful this would be for a writer. It can also be very useful to directors, set designers, costume people and cinematographers. But even more than that, it is very nice way to learn history.