On July 20, 1919, a White man and an African American man were arguing about World War I. The fight got heated and the black man pulled a gun and shot wildly down the street. Some of the bullets hit civilians, with one striking George Doles of 231 East 127th St while he was in his ground floor apartment. Another hit Henrietta Taylor, who was sitting on a stoop on 228 East 127th Street. While the two were rushed to a Harlem hospital, word spread that a riot was about to start, and when police arrived on the scene about a thousand black people were present on the block between 2nd and 3rd Ave. As police attempted to clear the streets they were fired upon from surrounding buildings.
The NAACP sent a telegram of protest to President Woodrow Wilson: The shame put upon the country by the mobs, including United States soldiers, sailors, and marines, which have assaulted innocent and unoffending negroes in the national capital. Men in uniform have attacked negroes on the streets and pulled them from streetcars to beat them. Crowds are reported ...to have directed attacks against any passing negro.… The effect of such riots in the national capital upon race antagonism will be to increase bitterness and danger of outbreaks elsewhere. National Association for the Advancement of Colored People calls upon you as President and Commander in Chief of the Armed Forces of the nation to make statement condemning mob violence and to enforce such military law as situation demands.…
After a nearly decade-long national effort, the United States won the race to land astronauts on the Moon on July 20, 1969, with the flight of Apollo 11. Nixon spoke with Neil Armstrong and Buzz Aldrin during their moonwalk. He called the conversation "the most historic phone call ever made from the White House"
On 20 July, the UN Security Council passed the U.S.-sponsored Resolution 598, which called for an end to the fighting and a return to pre-war boundaries. This resolution was noted by Iran for being the first resolution to call for a return to the pre-war borders, and setting up a commission to determine the aggressor and compensation.
On July 20, 2008, Facebook introduced "Facebook Beta", a significant redesign of its user interface on selected networks. The Mini-Feed and Wall were consolidated, profiles were separated into tabbed sections, and an effort was made to create a cleaner look. Facebook began migrating users to the new version in September 2008.
On July 20, 2012, a mass shooting occurred inside a Century 16 movie theater in Aurora, Colorado, during a midnight screening of the film The Dark Knight Rises. Dressed in tactical clothing, James Eagan Holmes set off tear gas grenades and shot into the audience with multiple firearms. Twelve people were killed and seventy others were injured, 58 of them from gunfire.
On July 20, 2016, Musk detailed his new master plan for Tesla. It includes more affordable cars produced in higher volume, solar-power roofs, mid-size vehicles, SUVs and pickup trucks, as well as the refinement of autonomous vehicles and the creation of a sharing economy, in which cars can be active while the owner is not using them.