At midnight on June 30, 1997, after sampling a curry dish and a rum punch at the Regent Hotel, the main Chinese and British authorities attended the act that would forever change the course of Hong Kong.
Today, Xi will preside over the 20th-anniversary ceremony just a few meters from where the "Umbrella Movement" took place, and a speech will be given on which the future of the rebellious city is expected.
Lam was selected by a pro-China committee, as were her predecessors, and is already being cast by critics as a China stooge in a city where many are angry at Beijing's tightening grip on the freedoms of almost eight million people.
Saturday marks the 20th anniversary of Hong Kong, a former colony of Britain, being returned to China.
Recurrent in the images are the themes of nationalism versus colonialism, justice and freedom under Beijing's control, and the color red, a symbol of good fortune and Beijing support. Pro-democracy Hong Kongers like Mr Ng would like the city's people to be able to nominate their own candidate.
President Xi Jinping adopted a speak-softly-but-carry-a-big-stick approach yesterday, offering a chance for dissenters to be engaged but also warning that those who threatened national sovereignty would not be tolerated - and those who heard him took note.
And he appeared to put on notice a new wave of activists pushing for more autonomy or even independence, saying challenges to the power of China's central government and Hong Kong's leaders wouldn't be tolerated.
The financial markets of Hong Kong have become increasingly intertwined with the mainland through the years, with the launch of the Shenzhen Connect in December last year an example of ongoing developments.
"My priority will be to heal the divide and to ease the frustration - and to unite our society to move forward", Chief Executive-elect Carrie Lamsaid in March after her selection by a 1,200-person election committee stacked with Beijing loyalists. Xi did not make contact with the people in the street or with any pro-democracy voices, forgoing an opportunity to lower the political heat. They were demanding greater voting rights for Hong Kong, as well the immediate release of the Chinese dissident Liu Xiaobo.
Lam said she will "resolutely do everything" within her ability to implement the "one country, two systems" principle, uphold the Basic Law of the HKSAR and defend the rule of law.
Leaders including high-profile campaigner Joshua Wong were detained and bundled into police vans as their supporters shouted "shame".
In 2012, Xi's predecessor, Hu Jintao, made no mention of British invasion, or the 19th-century "humiliation", during his speech before Hong Kong's previous administration.
The abduction of several Hong Kong booksellers, who sold publications critical of China's leaders, by mainland agents has also shaken confidence in Beijing's promise of non-interference, they say.
The PLA is responsible for defending the city and comprises only mainland troops, with Hong Kong residents unable to serve, but it is barred from interfering in local affairs.
In response to the United States and United Kingdom statements, Chinese foreign ministry spokesman Lu Kang detailed Hong Kong's "comprehensive achievements with the support of the central government and mainland".
Jeffrey Wasserstrom, Chancellor's Professor of History at the University of California, Irvine, told TIME that such frank statements painted a "worrisome" picture for Hong Kong.
Lam has been in Hong Kong since ducking bail a year ago and revealing how he had been seized, blindfolded and detained for eight months without a lawyer.
Manny Pacquiao will go down as one of the best fighters of his generation, entering this bout with a 59-6-2 career record. Bradley will be among the boxing luminaries who will attend this weekend's big show at the 52,500-capacity rugby venue.
As of this morning, the Facebook community is now officially 2 billion people!We're making progress connecting the... Behind Facebook , YouTube is best positioned to surpass the two billion benchmark as they have 1.5 billion users.
Kate's Law increases penalties for undocumented immigrants who return to the United States after having been deported earlier. Kate's Law is named in memory of 32-year-old Kate Steinle , who was fatally shot in San Francisco two years ago.
Real Madrid president Florentino Perez has admitted that Alvaro Morata's representatives are in talks with Manchester United . Dermot Corrigan is a Madrid-based football writer who covers La Liga and the Spain national team for ESPN FC.
Sessions said the anti-crime policies in Chicago have not worked and police "have been demoralized in many ways". As of Thursday, 320 murders had been committed in Chicago this year, two less than at this same point in 2016.
On his way into the House, Green Leader Andrew Weaver explained why his party would vote the bills down, sight unseen. Christy Clark has set the bar high in promising less partisan, more collaborative, more compassionate government.
On the other hand, this kind of process is only fair for every player who wants to jump into pro basketball whenever they desire. Graham said he and his KU teammates plan on watching the draft at KU coach Bill Self's house.
July 29th, I am expecting Tonya Evinger to give me the type of fight that can help us both earn our first UFC performance bonus". We were supposed to fight before and then it'll be unbelievable , we're gonna fight for title belt in the UFC at 145".
Portugal drew their first game 2-2 against Mexico, although wins over Russian Federation and New Zealand saw them top Group A . Chile's biggest strength lie in their two most famous players, Alexis Sanchez and Arturo Vidal .
He clinched Australian open super series cup by trouncing world top-ranked Chinese shuttler Chen Long. Let us hope Srikanth can continue to dazzle on the courts for a long time.
For Greater Boston, showers and storms overnight Friday
We'll see a stretch of very mild weather from Friday through Sunday before a chance of some storms returns Sunday into Monday . A low around 66 Saturday night , with mostly clear skies and winds coming from the south at around 5 miles per hour .
Pacers Trade Paul George to the OKC Thunder
Several teams were mentioned as the potential landing spot for George , and the Cleveland Cavaliers were one of team. Sabonis averaged 5.9 points and 3.6 rebounds in his rookie season with the Oklahoma City past year .
Lyon 'do not think' Arsenal target Lacazette will leave
Lyon finished fourth in Ligue 1 last season and star striker Alexandre Lacazette has been strongly linked with an exit. The FC panel discuss the lack of love for Gareth Bale at Real Madrid and wonder if it's time for him to make a move.
Hurt When New York Subway Derails
Emergency personnel have responded to a New York City subway station where passengers were reporting smoke and a loss of power. There were reports of sparks and smoke filling the cars, accounts that were corroborated by videos posted to social media.
Dozens dead in 'US-led strike' in Syria's al-Mayadeen
The allegations of casualties at the prison "will be provided to our civilian casualty team for assessment", he added. Assad conducts another mass murder attack using chemical weapons, he and his military will pay a heavy price".
Pak violates ceasefire in Poonch sector
This fresh round of ceasefire violation was retaliated to by the Indian army in a fierce manner, said a defence official. The Pakistani BAT members were armed with headband cameras to record the attack on the Indian Army patrol.
Ronaldo summoned to answer judge's questions on tax fraud
Ronaldo's trouble coincided with the same Madrid-based prosecutor's office accusing Mourinho of two counts of tax fraud. Russia's players attend a training session at the Spartak Stadium in Moscow, Russia, Tuesday, June 20, 2017 .