September 2005 - The Margaret Thatcher Center for Freedom is established.

Feb. 21, 2007 - Thatcher unveils a 7-foot-4 inch silicon bronze statue of herself at the Houses of Parliament.

August 2008 - Daughter Carol confirms Thatcher is suffering from dementia, first noticed in 2000.

December 30, 2009 - The British National Archives releases the 1979 state papers from Thatcher's early months as prime minister.

Nov. 1, 2010 - Returns home from the hospital after being admitted on Oct. 19 with the flu.

Dec. 20, 2012 - Is admitted to the hospital "to remove a growth in her bladder."