Prime Minister of Russia Vladimir Putin meets the Russian intelligence agents who were swapped with the United States.
Russian President Vladimir Putin suspends Russia's involvement in the Intermediate-Range Nuclear Forces Treaty, and will now start developing new missiles, in response to the United States' decision to withdraw from the Cold War-era treaty.
Russian President Vladimir Putin signs a law – voted by the State Duma on 22 May and approved by the State Council on 30 May – with countermeasures against actions of the United States and other "unfriendly" countries.
The Putin administration closes the United States consulate in Saint Petersburg and expels 60 U.S. diplomats from Russia as a retaliatory measure to the closing of the Russian consulate in Seattle, Washington.
Russian President Vladimir Putin signs into law amendments that allow foreign media outlets in Russia to be listed as foreign agents. Earlier this month, RT America has been forced to be registered as a foreign agent in the United States.
After 35 Russian diplomats are expelled from the United States, Russia's foreign minister Sergey Lavrov recommends expelling 35 American diplomats. Russian President Vladimir Putin rejects Lavrov's recommendation and expresses a desire to restore relations between the two countries.
The Russian military launches cruise missile strikes from the Mediterranean on ISIS positions in Al-Raqqah, the Islamic State of Iraq and the Levant's de facto capital in Syria, Aleppo, and Idlib. A U.S. official confirms that Russia has conducted a significant number of strikes in Syria using both sea-launched cruise missiles and long-range bombers. Russian President Vladimir Putin has pledged to escalate his military campaign in Syria after it was confirmed that a bomb brought down Metrojet Flight 9268 over Egypt's Sinai Peninsula.
Russian police detain more than 150 people including prominent opponents of Prime Minister of Russia Vladimir Putin such as former Deputy Prime Minister Boris Nemtsov, following protests in Moscow and Saint Petersburg in support of freedom of assembly.