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8 presidents
12
34, counting presidents only 39, counting presidents and acting presidents 53, counting presidents, acting presidents, and chairmen of government Juntas (including two co-chairmen that governed jointly) More information: http://en.wikipedia.org/wiki/President_of_bolivia
There are currently four former US Presidents alive: Jimmy Carter, George H.W. Bush, Bill Clinton, and George W. Bush.
The last five presidents have signed more than 100 executive orders.
None the last quagga died in captivity 16 years ago
Everyone is alive for different amount of years
Woodrow Wilson was President in 1914. Including Wilson, there have been 17 presidents in the last 100 years. Wilson was 28th, and currently Obama is 44th.
Two presidents: James Madison and James Monroe.
4 years
Many veterans of WW2 are still alive. They will be at least 88 years old
How many killer whales were alive ten years ago?