Space Exploration By cspenner Period: Jan 1, 1950 to Jan 1, 2011 space exploration Jan 1, 1955 Space Exploration Begins Russia and the United States start their space programs. http://www.thekidswindow.co.uk/Kids-pages/Space_Exploration.htm Jul 20, 1969 moon landing Neil Armstrong was the first man to walk on the moon. historical importanceman lands on the moon