Imgur user thrillfight put together this history of Westeros (from George R.R. Martin’s A Song of Ice and Fire and HBO’s series Game of Thrones, in case you live beyond the Wall or something) from the days of the Children of the Forest to Aegon’s Conquest, with the possibility of more to follow (h/t Nick):
See also this history of Aegon’s Conquest.
Less than two weeks until season 4.