Reinforcement learning In just a few hours, DeepMind's AI AlphaZero learn to master both chess and shogi, beating top chess software Stockfish and Elmo without domain knowledge.
2017 United States political sexual scandals U.S. Representative John Conyers (D-Mich.) steps down amid allegations of sexual harassment.
Aftermath of the Honduran general election, 2017 After several days of violent protests due to allegations of electoral fraud, Honduran police have announced that they will not enforce a government-mandated curfew.
Recognition of same-sex unions in Austria Austria's Constitutional Court rules that the government cannot discriminate against same-sex couples' right to marry.
2017 Spanish constitutional crisis Spain withdraws the international arrest warrant for five former Catalan officials now residing in Belgium. The charges of sedition and rebellion, however, remain.
Ukrainian crisis Prosecutor General of Ukraine Yuriy Lutsenko claims in a briefing that Saakashvili received $500,000 from the fugitive Serhiy Kurchenko for his activities in Ukraine. He also says Severion Dangadze, an associate of Saakashvili's Movement of New Forces, had been arrested.
As police arrive at the stateless Mikheil Saakashvili's house in Kiev to detain him, Saakashvili goes up on the roof to protest verbally. Police then detain him and try to take him away in a blue minivan while hundreds of people block the street. Finally the supporters free him out of the van. Bespeeching the cameras again, he rails against corruption, against Petro Poroshenko and urges Ukrainians to "be afraid of nothing".
Russia–United States relations Russia names Voice of America, Radio Free Europe-Radio Liberty and seven affiliated news media as foreign agents. The move comes after the United States government ordered the Russian government-funded television network RT America to register as a foreign agent.
Gulf Cooperation Council At a GCC summit in Kuwait City, the United Arab Emirates announce a political and military alliance with Saudi Arabia.
Positions on Jerusalem According to a Palestinian spokesman, Donald Trump calls Mahmoud Abbas, "outlining his intentions" to move the U.S. embassy to Jerusalem. The Palestinian President warns him against the dangers of such a step and says that he will continue reaching out to world leaders to prevent it from happening.
Turkish President Recep Tayyip Erdoğan tells Donald Trump that Turkey might cut ties with Israel if the United States unilaterally recognizes Jerusalem as its capital.
Meerbusch train crash A passenger train runs into the rear of a freight train at Meerbusch, Germany. Forty-seven people are injured, three seriously.
2017 California wildfires Due to persistent high winds, a fire begins and quickly spreads—at a rate of up to one acre per second—near Santa Paula, California, covering now at least 50,000 acres, crawling into the edges of Ventura and cutting power to 260,000 homes. 7,700 houses are under mandatory evacuation.
Eurofighter GmbH Eurofighter GmbH offers Belgium a national cyber defense network—suggesting telecommunications security on par with United Kingdom intelligence, which would save Belgium €1.6 billion per year—in exchange for buying 34 of their multirole combat aircraft, the Eurofighter Typhoon.
Simon Templar (The Saint) A summer 1941 Simon Templar (The Saint) novel by Leslie Charteris, titled "The Saint's Second Front", describing a military attack by Japan on America—and subsequently rejected from publication for political reasons—emerges at a private auction after the work was presumed lost.