1830 - Augusta Free School has 150 students. Four of the best students are to be placed in Richmond Academy each year.
1756 -- Wolfgang Amadeus Mozart was born in Salzburg, Austria.
1880 -- Thomas Edison received a patent for his electric incandescent lamp.
1944 -- the Soviet Union announced the end of the deadly German siege of Leningrad, which had lasted for more than two years.
1945 -- Soviet troops liberated the Nazi concentration camps Auschwitz and Birkenau in Poland.
1951 -- an era of atomic testing in the Nevada desert began as an Air Force plane dropped a one-kiloton bomb on Frenchman Flats.
1967 -- astronauts Virgil I. "Gus" Grissom, Edward H. White and Roger B. Chaffee died in a flash fire during a test aboard their Apollo I spacecraft at Cape Kennedy, Fla.
1967 -- more than 60 nations signed a treaty banning the orbiting of nuclear weapons.
1973 -- the Vietnam peace accords were signed in Paris.
1977 -- the Vatican reaffirmed the Roman Catholic Church's ban on female priests.
1981 -- President Reagan greeted the 52 former American hostages released by Iran, telling them during a visit to the White House: "Welcome home."
1989 -- President Bush held an informal White House news conference in which he defended a widely criticized pay raise for Congress scheduled to go into effect the following month.
1994 -- Figure skater Tonya Harding appeared before reporters in Portland, Ore., to say that while she'd had no prior knowledge of the attack on her rival, Nancy Kerrigan, she had failed to report what she'd learned afterward.
1998 -- Shaken by scandal, President Clinton sought to reassert his leadership in a crucial State of the Union address, urging Congress to "save Social Security first" before cutting taxes or increasing spending. Earlier in the day, First Lady Hillary Rodham Clinton, appearing on NBC's "Today" show, charged the allegations against her husband were the work of a "vast right-wing conspiracy."