A koi fish, named "Hanako", was owned by several individuals over many years and lived to be 226 years old, dying in 1977.
6
When the 2013 government shutdown threatened the closing down of a national program giving medical attention and meals to children, John D. Arnold donated $10 million of his own money to keep it afloat.
21
Between 2007 and 2012, Bill Gates gave away $28 billion; saving 6 million lives.
34
The US national public health institute, Centers for Disease Control and Prevention, has an actual plan in case of zombie invasion.
29