The chemical weapons crisis continues to unfold in Syria, U.S. Secretary of State Rex Tillerson visits Moscow, and NATO Secretary-General Jens Stoltenberg meets President Donald J. Trump.

Chinese President Xi Jinping meets President Donald J. Trump, Egyptian President Abdel Fatah al-Sisi visits the United States, and two important U.S. foreign policy anniversaries are marked.

U.S. Secretary of State Rex Tillerson visits Turkey, Hong Kong elects a new chief executive, and the sixtieth anniversary of the signing of the Treaty of Rome is marked.

U.S. Secretary of State Rex Tillerson visits Turkey, Hong Kong elects a new chief executive, and the sixtieth anniversary of the signing of the Treaty of Rome is marked.

Iraqi Prime Minister Haider al-Abadi meets President Donald J. Trump, U.S. Secretary of State Rex Tillerson visits China, and three years pass since Russia's annexation of Crimea.

India's most populous state announces election results and Europe's first set of pivotal elections takes place in the Netherlands.

Syria awaits the outcome of the latest round of Geneva peace talks and China holds its annual plenary session of the National People's Congress.

President Donald J. Trump addresses Congress, the UN Security Council debates Kosovo, and the 89th Academy Awards are held.

The search for a new White House national security advisor continues, the UN Security Council reviews Yemen sanctions, and Zimbabwean President Robert Mugabe celebrates his 93rd birthday.

Israeli Prime Minister Benjamin Netanyahu meets with President Donald J. Trump, Germany hosts the annual Munich Security Conference, and Iran commemorates the anniversary of the 1979 revolution.