The most successful political party in the democratic world, Japan's LDP, lost power in a landslide election after having been in power more or less uninterrupted since the 1950s. After almost 2 decades with an economy in the doldrums it's amazing that it didn't happen sooner.
In fact since the end of the Cold War their original raison d'etre has disappeared. As with Italy's Christian Democrats they were initially established as the eternal party of government thanks to large piles of cash from the CIA during the post war era in order to act as a bulwark against Communism. Rigging elections was an important part of preserving democracy back then.
So here's a clip from a Japanese game show: