The former South Carolina said she would not run for the White House in 2020, but would back the president's re-election.
- NBC News (Image)
- President-elect Donald Trump names South Carolina governor Nikki Haley as United States Ambassador to the United Nations.
- The United Nations Security Council meets amid concerns of military strikes in Syria by the United States and its allies following a suspected chemical weapons attack in Syria last weekend, with the United States ambassador to the UN, Nikki Haley, accusing Russia of lies and covering for the government of Syrian President Bashar al-Assad, which she said had used chemical weapons at least 50 times in the past seven years of warfare, and the Russian ambassador to the UN, Vassily Nebenzia, blaming the United States, France and the UK for escalating tensions.
- U.S. President Donald Trump announces former United States Ambassador to the United Nations John R. Bolton will become his National Security Advisor, succeeding the outgoing H. R. McMaster.
- Nikki Haley, the U.S. Ambassador to the United Nations, accuses Iran of violating the 2015 nuclear deal by allegedly supplying the missile fired last month on Saudi Arabia from Yemen. Iran refutes the claim as based on "fabricated" evidence.
- The United States Ambassador to the United Nations Samantha Power abstains from voting in a 14-0 Security Council decision condemning Israeli settlement of the Palestinian territories.