U.S. president Barack Obama and Chinese president Xi Jinping begin a two-day meeting of Sino-American relations.
China announces the country's ivory trade is now illegal. In 2015, Chinese President Xi Jinping and then-U.S. President Barack Obama announced "near-complete" ivory bans for each country. America's ivory ban went into effect in June 2016.
The United States Congress votes to approve a four year extension of powers in the USA PATRIOT Act and President of the United States Barack Obama signs it into law. [http:--www.latimes.com-news-nationworld-nation-la-na-patriot-act-20110527,0,7749454.story ("Los Angeles Times")], [http:--www.ajc.com-news-nation-world-obama-signs-patriot-act-958299.html (AP via "Atlanta Journal Constitution")]date=August 2019
Taoiseach Enda Kenny visits President of the United States Barack Obama at the White House for the annual Saint Patrick's Day festivities. Obama announces he is to visit Ireland in May and is excited at the prospect of visiting the home of his great, great, great, great, great, grandfather in Moneygall.