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.
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After coming across a "very sweet" homeless man from Jamaica named Michael on a night out, Londoner Jenny Baker took to Twitter, and within hours, using the hashtag #getmichaelhome, had raised thousands of pounds so that he could return home to Jamaica where he said he would be "happy again".
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Between 2007 and 2012, Bill Gates gave away $28 billion; saving 6 million lives.
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Boxer Wladimir Klitshko auctioned his Olympic gold medal to raise money for underprivileged Ukrainian children. He raised $1,000,000. The buyer immediately returned the medal to Wladimir as he wanted it to remain in the Klitschko family.
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