A number of dictators ending up being dethroned (without a full-blown civil war): Robert Mugabe (already in his 90s though), Suharto, Pol Pot, Pinochet, a bunch of others whose names escape me at the moment.
I'd be interesting to gather some data on this, but I suspect it's more common that casual perception might indicate.
One possible reason for the mysterious Russian Modified Gravity that causes people to fall to their deaths might be that Putin's position is not as secure as he might like us to think. He doesn't even need to be assassinated: once he's no longer in a position to order around force, what is he going to do? Some of the above lived for decades after being deposed.
I'd be interesting to gather some data on this, but I suspect it's more common that casual perception might indicate.
One possible reason for the mysterious Russian Modified Gravity that causes people to fall to their deaths might be that Putin's position is not as secure as he might like us to think. He doesn't even need to be assassinated: once he's no longer in a position to order around force, what is he going to do? Some of the above lived for decades after being deposed.