Here is a list of 11 questionable items forming a chain of events:
September of 2005: Canadian Frank Giustra visits Kazakhstan with Bill Clinton. Days later, his company UrAsia wins a major uranium deal with the country.
2006: Giustra donates $31 million to the Clinton Foundation.
February 2007: UrAsia merges with Uranium One and expands into the U.S..
June 2008: Russian atomic agency Rosatom begins talks to acquire Uranium One.
2008 to 2010: Uranium One and UrAsia investors donate $8.65 million to Clinton Foundation.
June 2009: Rosatom acquires 17% of Uranium One.
2010 to 2011: Millions more donated by Uranium One investors to Clinton Foundation.
June 2010: Rosatom requests Committee on Foreign Investment (of which the State Department is a member and its approval is needed) to approve a majority ownership in Uranium One, promising not to purchase 100% of it nor take it private.
June 2010: Bill Clinton receives $500,000 to speak at a conference held by the Russian investment bank involved in the Rosatom transactions.
October 2010: Committee approves Rosatom’s request to acquire a majority share in Uranium One.
January 2013: Rosatom purchases remainder of Uranium One and takes it private.
The origins of the story were reported in the NY Times in 2008 by Jo Becker, a co-author of the recent NYT piece:
excellent summation of uranium one