U.S. House races
U.S. House of representatives history:
1860 - 1930: since Abraham Lincoln and the inception of the republican party, Republicans had control of the U.S. House %67 of the time.
1931 - 1994: Since the great depression, Democrats had control of the U.S. House %85 of the time.
1995 - present: Since the first midterm of Bill Clinton, Republicans controlled the U.S. house for %70 of the time.