The U.S. Food and Drug Administration authorizes the very first COVID-19 mRNA vaccine, Pfizer-BioNTech, on December 11, 2020. 2020 The Occupational Health and Safety Act is signed by former President Richard Nixon on December 29, 1970, thus creating OSHA and NIOSH. 1970 President Joe Biden makes Juneteenth a federal holiday on June 17, 2021, marking the first new federal holiday since Martin Luther King Jr. Day in 1983. 2021
RkJQdWJsaXNoZXIy MTQ5NDA2