1358 - The Republic of Dubrovnik is established.
1915 - Records are recorded at 100 ° F (38 ° C) in Fort Yukon, Alaska.
1940 - The USSR again uses the Gregorian calendar.
1954 - In Obvisk, Moskava, Russia, the first atomic power plant in the world opened.
1955 - A law was passed in Illinois for the use of the car's safety lane.
1978 - The first oceanographic satellite US Seasat 1 is launched in full orbit.
