U.S. Democratic Congresswoman Katie Hill of California announces her resignation days after admitting to having a relationship with a campaign staffer before coming into office.
The Metropolitan Water District of Southern California, servicing most of Greater Los Angeles, declares a water shortage emergency and requires agencies to enforce restrictions on non-essential water usage as of June 1. This comes amid a drought which worsened as the 2021–22 California winter season was the driest on record.
The U.S. House of Representatives votes 410–4 to pass the Emmett Till Antilynching Act, which designates lynching a federal crime. This is the first time that anti-lynching legislation has ever passed Congress.
Acting U.S. Ambassador to Ukraine William B. Taylor Jr. testifies before Congress that he had been told President Donald Trump would, to help his reelection chances, withhold military aid to Ukraine until that country publicly declared investigations would be launched into Burisma Holdings, a company that hired former Vice President Joe Biden's son Hunter, as well as Ukraine's alleged involvement in the 2016 U.S. presidential election.
A Federal District Judge for Eastern Pennsylvania temporarily enjoins the Trump administration from implementing new rules that change the Obamacare contraceptive mandate. California, Delaware, Maryland, Massachusetts, New York, Virginia and Washington have also sued the federal government over the rules.