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Quizlet made its first acquisition in March 2021, with the purchase of Slader, which offered detailed explanations of textbook concepts and practice problems, and eventually incorporated it into its paid platform, Quizlet Plus. [20] [21] [22] In November 2022, Quizlet announced a new CEO, Lex Bayer, the former CEO of Starship Technologies. [23]
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View history; Tools. Tools. move to sidebar hide. Actions Read; Edit; View history; ... Vehicles introduced in 1966 (5 C, 16 P) W. Weapons and ammunition introduced ...
By 5 December 1969, the initial four-node network was established. Elizabeth Feinler created the first Resource Handbook for ARPANET in 1969 which led to the development of the ARPANET directory. [73] The directory, built by Feinler and a team made it possible to navigate the ARPANET. [74] [75]
Project Gemini (IPA: / ˈ dʒ ɛ m ɪ n i /) was the second United States human spaceflight program to fly. Conducted after the first American crewed space program, Project Mercury, while the Apollo program was still in early development, Gemini was conceived in 1961 and concluded in 1966.
Margaret Crane's patent illustration for "Diagnostic Test Device", the first home pregnancy test. Margaret M. Crane (Meg Crane) is an American inventor and graphic designer who created the first at home pregnancy test in 1967 while working at Organon Pharmaceuticals in West Orange, New Jersey. [1]
July 11 – The 1966 FIFA World Cup begins in England. July 12 – Zambia threatens to leave the Commonwealth of Nations because of British peace overtures to Rhodesia . July 13 – In Chicago , United States, Richard Speck breaks into a nurses' dormitory and murders eight of the nine student nurses who live there.
October 1 – West Coast Airlines Flight 956 crashes with 18 fatal injuries and no survivors 5.5 miles (8.9 km) south of Wemme, Oregon. This accident marks the first loss of a DC-9. [10] October 5 – An experimental breeder reactor at the Enrico Fermi Nuclear Generating Station in Michigan suffers a partial meltdown when its cooling system fails.