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Britain's Queen Elizabeth II (2nd R) shakes hands with Northern Ireland Deputy First Minister Martin McGuinness (L) watched by First Minister Peter Robinson (2nd L) and Prince Philip (R) at the Lyric Theatre in Belfast, Northern Ireland, on June 27, 2012. Queen Elizabeth II shook hands with former IRA commander Martin McGuinness on Wednesday in a landmark moment in the Northern Ireland peace process, Buckingham Palace said. The initial handshake between the queen and McGuinness, who is now deputy first minister of the British province, took place away from the media spotlight behind closed doors in Belfast's Lyric theatre.  AFP PHOTO / PAUL FAITH/POOL        (Photo credit should read PAUL FAITH/AFP/GettyImages)
Britain's Queen Elizabeth II (2nd R) shakes hands with Northern Ireland Deputy First Minister Martin McGuinness (L) watched by First Minister Peter Robinson (2nd L) and Prince Philip (R) at the Lyric Theatre in Belfast, Northern Ireland, on June 27, 2012. Queen Elizabeth II shook hands with former IRA commander Martin McGuinness on Wednesday in a landmark moment in the Northern Ireland peace process, Buckingham Palace said. The initial handshake between the queen and McGuinness, who is now deputy first minister of the British province, took place away from the media spotlight behind closed doors in Belfast's Lyric theatre.  AFP PHOTO / PAUL FAITH/POOL        (Photo credit should read PAUL FAITH/AFP/GettyImages)

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    Historic moment McGuinness met Queen Elizabeth II

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Historic moment McGuinness met Queen Elizabeth II

Former IRA commander Martin McGuinness died at 66. Here's the moment he made history by shaking hands with Queen Elizabeth II.

Historic moment McGuinness met Queen Elizabeth II

Former IRA commander Martin McGuinness died at 66. Here's the moment he made history by shaking hands with Queen Elizabeth II.