Here’s a look at some interesting events that took place on this day in history:

1820 – The US Congress passes the Missouri Compromise, a bill that temporarily resolves the first serious political clash between slavery and antislavery interests (More info)

1887 – Anne Sullivan begins teaching 6-year-old Helen Keller, who lost her sight and hearing after a severe illness at the age of 19 months (More info)

1931 – The United States adopts ‘The Star-Spangled Banner’ as its national anthem (More info)

1951 – Jackie Brenston, with Ike Turner and his band, records ‘Rocket 88,’ often cited as the first rock and roll song (More info)

1991 – An amateur video captures the beating of Rodney King by Los Angeles police officers (More info)