Then, on the afternoon of Jul 13, a mass protest called Stop Trump March is set to take place.
"We don't know when".
The embassy advises American citizens to "keep a low profile", "be aware of your surroundings", and "exercise caution if unexpectedly in the vicinity of large gatherings that may become violent".
Image copyright Andrew Aitchison Image caption Campaigners raised nearly £18,000 to pay for the six-metre high inflatable Trump baby What are the security arrangements? It will hover above Parliament Square later this week during the president's visit.
Police chiefs have warned the massive deployment will have an impact for months, as officers take days off for Trump-related overtime and potentially cause difficulty for colleagues left behind.
Invited guests - including a number of business leaders - will eat dinner to the sounds of the Countess of Wessex's Orchestra, which will play a "series of classic British and American hits", according to a spokeswoman for Prime Minister Theresa May.
Photographer gets caught up in Croatia's celebration... and then receives a kiss
Speaking to Sky News 22 years on, the ex-footballer said: "Football's coming home, I couldn't listen to it for 20 years, frankly". Now England have to pick themselves up to face Belgium in the third place play-off against Belgium in St Petersburg on Saturday.
U.S. President Donald Trump checks time prior to a dinner at the Art and History Museum at the Parc du Cinquantenaire during the NATO Summit in Brussels, Belgium July 11, 2018.
A working visit - like the one Mr Trump is making - may include some of the same activities as a state visit, but there are small differences.
Last month, Labour member of Parliament Gavin Shuker ran down a list of objections to Trump: the separation of migrant families and detention of children; the USA departure from the United Nations' Human Rights Council; the US president's praise for North Korean leader Kim Jong Un.
"Sadiq Khan is a total disgrace", he said of the Labour politician. "They trust us with stuff on intelligence", he said.
"But from the public, the welcome will be far from warm", he added saying there would be protests across the country against Trump's "abysmal record on human rights, his repugnant attitude towards women and his disgusting treatment of minorities".
The economic and trade relationship with the U.S.is also vital: The U.S.is the U.K.'s single largest trading partner. "This is a fight against our own "hostile environment" as well as the American government".