Donald Trump was sworn in as the 45th president of the United States.
Some Democrats planned to boycott the festivities, Trump marked a shift in America's global role, the EPA nominee hedged on climate change, and more.
Gambia’s defeated president won’t step down, Obama bid farewell to the press, a global vaccine-research fund was launched, and more.
Betsy DeVos testified to the Senate, Trump's team considered health care in the U.S. and Africa, Theresa May outlined an exit plan, and more.
Obama expanded surveillance powers, Trump allies pushed back on a government watchdog, TV took stock of current politics, and more.
The DoJ will investigate the FBI's pre-election actions, the Senate took the first steps toward repealing Obamacare, an antibiotic-resistant gene spread around the world, and more.
Trump addressed the press, Obama gave a final speech, Rex Tillerson’s confirmation hearing began, and more.
The Senate began hearings for Trump’s Cabinet nominees, critics found gaps in New York’s free-college plan, NFL ratings suffered for lack of star power, and more.
Meryl Streep spoke out at the Golden Globes, the Senate rushed to schedule Trump nominees’ confirmation hearings, the former president of Iran died at 82, and more.
U.S. intelligence agencies released their report on Russian hacking, Treasury Department documents cast doubt on Steve Mnuchin’s record, archival projects preserved Obama’s social-media record, and more.
The Senate held a hearing on cybersecurity threats, Republicans launched the process of repealing Obamacare, the Trump administration posed concerns for trans Americans, and more.
GOP environmentalists hoped Trump would fight climate change, two credit-reporting firms were caught lying to consumers, the urban-rural divide increased around the world, and more.
ISIS claimed responsibility for the shooting at a Turkish nightclub, Congress gutted and revived the Office of Congressional Ethics, Trump’s transition team lagged behind schedule, and more.
Russia said it won’t expel American diplomats in retaliation for U.S. sanctions, President Obama added to his environmental legacy, 2016 drew to a close, and more.
The U.S. issued sanctions against Russia for alleged cyberattacks, fans remembered Debbie Reynolds, a new ceasefire was announced in Syria, and more.
John Kerry had some harsh words for Israel, Donald Trump claimed victory on a jobs outlook that may not last, scientists and civil-rights advocates braced for a conservative administration, and more.
Fans remembered Carrie Fisher, Russia investigated the cause of a plane crash, scientists determined how to address President-elect Donald Trump’s climate change denial, and more.
The search for the suspect behind the Berlin Christmas market attack ended in a shoot-out, the U.S. did not veto a United Nations resolution criticizing Israeli settlements, President-elect Donald Trump called for expanding U.S. nuclear capabilities, and more.
The Syrian government recaptured long-held rebel territory, President Obama made some end-of-term moves, the Berlin Christmas market reopened, and more.
The search for the suspect in Berlin’s Christmas market rampage continued, President Obama indefinitely protected parts of the Atlantic and Arctic Oceans from offshore drilling, and more.