At the time, he was the most senior Conservative in elected office. "Jumping around, going to be the next Prime Minister and all of that".
But he was undercut by key ally Michael Gove, who pronounced Johnson unfit to serve and ran unsuccessfully for party leader himself.
"At this incredibly important time that will determine Britain's economic and cultural relations with Europe, it is extraordinary that the new Prime Minister has chosen someone whose career is built on making jokes". The New York-born Brit is known for his colorful rhetoric over the years and distaste for political correctness. "But Britain no longer wields much power globally, that's why they have run away from the European Union". After the "leave" campaign scored a surprise victory in the June 23 referendum, he seemed well positioned to succeed David Cameron as prime minister.
Johnson also has bridges to build beyond the US and EU.
But with Cameron on his last day in the job and Labour mired in a profound crisis, the atmosphere at this PMQs is likely to be very unusual.
After leaving the London mayoralty in May he spearheaded the Leave campaign.
Foreign Secretary since 2014, Hammond, 60, has previously been Transport Secretary and was Defence Secretary for three years from 2011.
New British Treasury chief Hammond tried to sound a reassuring note Thursday, pledging that he would not introduce an emergency national budget - even though there are question marks hanging over the economy following the country's decision to leave the EU.
Britain's Home Secretary Theresa May, who is due to take over as prime minister on Wednesday, waves as she leaves after a cabinet meeting at number 10 Downing Street, in central London, Britain July 12, 2016. "We would be more concerned if the USA or Russian Federation appointed someone like Boris".
May, who had supported Britain's continued European Union membership, appointed leading "Leave" campaigner Johnson to a senior cabinet post while moving quickly to heal divisions sparked by the referendum.
But, he added: "I have to say, the French foreign minister in fact has sent me a charming letter just a couple of hours ago saying how much he looked forward to working together and to deepening Anglo-French cooperation in all sorts of areas".
The libertarian Davis - a former special forces reservist who boasts that he has broken his nose five times - has sparred with May for years over the powers of Britain's spy agencies, which she oversaw as home secretary and he thinks are too intrusive. She joined parliament in 2010 and was appointed energy and climate change secretary in 2015.
Russian President Vladimir Putin said he was ready for "constructive dialogue" with Britain's new premier, while White House spokesman Josh Earnest said USA officials who had worked with May "found her to be quite effective".
Hammond this week told lawmakers that implementing the decision to leave could take up to six years, and May has not given any timetable for invoking Article 50 of the Treaty of Lisbon, which would trigger a formal start to two years of negotiations on Britain's European Union departure.
French President Francois Hollande has urged Britain's new Prime Minister Theresa May to begin talks on the country's exit from the European Union.
Justine Greening, formerly in charge of global development, is now education secretary and minister for women and equalities.
On Thursday, May has continued to appoint her new government in earnest, with the most surprising appointment being Jeremy Hunt remaining in the post of Health Secretary.