Although Kerry, the US Secretary of State, and Zarif shook hands
numerous times during talks on Iran's nuclear program, the handshake with Obama would be the first between a US president and an Iranian official since before the Islamic revolution in 1979.
Obama with Hitler appeaser Neville Chamberlain for the handshake but he, Joe Lieberman and Lindsey Graham shook hands
with Muammar Gadhafi in August 2009 and in less than two years all three wanted to assassinate their Libyan buddy.
Tendulkar went up to Prime Minister Manmohan Singh and shook hands
During a photo session at the gathering of the Asia-Pacific Economic Cooperation forum in Vladivostok, Gemba shook hands
with Bark as the latter offered his hand.
But as the Queen left the venue they shook hands
again, this time in public, as Mr McGuinness offered parting words in Irish and told her the phrase meant: "Goodbye and God's speed.
Mark Schwarzer said afterwards that Joe Cole was the only one who shook hands
with us," remembered the Alpine hardman.
His teammates shook hands
with Brooks, who scored 30 points in Oregon's win.
The pair shook hands
before and after Liverpool's 1-0 defeat to Chelsea, and later both signalled their intention to now draw a line under the unseemly spat.
Agence France Presse reports that Israeli President Moshe Katsav shook hands
with both his Iranian counterpart, Mohammad Khatami, and Bashar al-Assad, the president of Syria, during the funeral service.
The monarch shook hands
with 44-year-old Georgina Beyer, formerly George Bertrand, who was in the official welcoming party.
She said: "Their meeting was very brief but I understand Lord Archer shook hands
with Biggs and chatted to him.
Clinton became president because he shook hands
with Kennedy," Obuchi said, smiling.