In 1905, the bill creating the Alaska Road Commission was signed into law by President Teddy Roosevelt.
In 1925, the first dog team left Nenana in the relay of serum to combat the diphtheria outbreak in Nome.
In 1969, the University of Alaska began its first major oceanographic expedition to the Bering Sea.
In the nation
In 1880, Thomas Edison received a patent for his electric incandescent lamp.
In 1951, an era of atomic testing in the Nevada desert began as an Air Force plane dropped a 1-kiloton bomb on Frenchman Flats.
In 1985, the secret three-day military-satellite mission of the space shuttle Discovery ended with a smooth landing in Florida.
In 2000, President Clinton proposed a $350 billion tax cut, big spending increases for schools and health care and photo ID licenses for handgun purchases in his final State of the Union address.
In 2004, John Kerry won the New Hampshire Democratic presidential primary. A jury in New York heard opening statements in the trial of Martha Stewart, who was accused of lying about a stock sale (she was convicted the following March and sentenced to five months in prison).
In the world
In 1943, some 50 bombers struck Wilhelmshaven in the first all-American air raid against Germany in World War II.
In 1944, the Soviet Union announced the end of the deadly German siege of Leningrad, which had lasted for more than two years.
In 1945, Soviet troops liberated the Nazi concentration camps Auschwitz and Birkenau in Poland.
In 1967, more than 60 nations signed a treaty banning the orbiting of nuclear weapons.
In 1973, the Vietnam peace accords were signed in Paris.
In 1995, about 5,000 mourners gathered at the site of the Nazi death camp Auschwitz to commemorate the 50th anniversary of its liberation.