On this day — April 7

becoming the first black female justice.

The Centers for Disease Control and Prevention announces that the SARS-CoV-2 Alpha variant has become the dominant strain of COVID-19 in the United States.

China ends its lockdown in Wuhan.

Acting Secretary of the Navy Thomas Modly resigns for his handling of the COVID-19 pandemic on USS Theodore Roosevelt and the dismissal of Brett Crozier.

Luiz Inácio Lula da Silva, is arrested for corruption by determination of Judge Sérgio Moro, from the "Car-Wash Operation". Lula stayed imprisoned for 580 days, before being released by the Brazilian Supreme Court.

Sweden, killing five people and injuring fifteen others.

Brazil, killing twelve children and injuring 22 others before committing suicide.

troops capture Baghdad; Saddam Hussein's Ba'athist regime falls two days later.