President Lyndon Johnson had his first day in office after becoming the 36th president of the United States.
Source
The National Black Independent Political Party (NBIPP) was formed in the US.
Lake Merced, California, was found to have sunk 30 feet (9 meters).
The New York Times published Edwin Hubble's discovery that the Andromeda 'nebula' is actually a galaxy.
King William III of the Netherlands died at age 73 and had no male heirs. His throne was given to his daughter Princess Wilhelmina.
Blizzard released World of Warcraft for PC and Mac, changing the MMORPG scene forever.