A look back at the Conservative premier's time in Number 10 shows where it went wrong for May.
Shadow foreign secretary tore into the UK government over Brexit as she stood in for Jeremy Corbyn.
"I don't think anyone is likely to follow us down this route," the senior Conservative said.
Wounded Conservative premier pleaded with Labour and the Liberal Democrats to work with her.
Concerns over security and mass protests reportedly forced the US president to put his visit on hold.
UK has been a member of the nuclear safety agreement since 1973.
UK prime minister is forced to seek help from opposition parties after general election blow.
Some see May's position as party leader untenable after the disastrous general election result.
During a meeting with Theresa May at the G20 summit in Hamburg the US president also said he'll visit London.
Donald Trump is holding talks with Theresa May and President Xi Jinping of China, among others.
All eyes are on the summit which forms the backdrop for Trump's first meeting with Putin.
Labour see massive increase in polls following Theresa May's difficult first month since June's result.
It could pave way for terminally ill baby to get treatment.
North Korea's missile test likely to be high on the agenda as the UK and US leaders meet.
Labour leader and Conservative premier clashed during Prime Minister's Questions.
Canada's prime minister Trudeau will meet Trump and May at the G20 summit in Germany.
"Jeremy Hunt knows that Brexit will be a disaster for the NHS," the Lib Dems said after the gaffe.
Some 54% of firms say their needs are not being prioritised by the government.
The controversial policy was one of the most memorable pledges in the Tory manifesto.
Almost 50% of voters do not think the UK government will secure a good Brexit deal, Survation says.
James Brokenshire told MPs that a deal between the DUP and Sinn Fein 'remains achievable'.
Leaving would mean that we can sign our own trade agreements with the world's major economies.