Civil Rights
Movements, leaders, victories and the continuing fight for equality.
Explore the people, places, events, achievements, struggles and stories that shaped our journey.
Movements, leaders, victories and the continuing fight for equality.
Innovation, patents, science, technology and world-changing contributions.
Pioneers, champions, Negro Leagues, records, activism and excellence.
Meet the people whose lives, choices and achievements shaped the journey.
Black towns, communities, institutions and places where history happened.
Moments that changed communities, movements, institutions and the nation.
Mansa Musa was the ruler of the Mali Empire in West Africa. Details recorded here should be sourced; unknown information is left blank.
MORE →Reflects the personal views, recollections, and perspective of the author, Mike Davis.
This is a personal recollection on the Move fire on May 13, 1985
The Berkeley Timesharing System was a pioneering time-sharing operating system implemented between 1964 and 1967 at the University of California, Berkeley. It was designed as part of Project Genie and marketed by Scientific Data Systems for the SDS 940 computer system. It was the first commercial time-sharing system which allowed general purpose programming, as well as the use of machine language.
QED (short for quick editor) is a line-oriented text editor that was developed by Butler Lampson and L. Peter Deutsch for the Berkeley Timesharing System running on the SDS 940. It was implemented by L. Peter Deutsch and Dana Angluin between 1965 and 1966. QED addressed teleprinter usage. Support for a CRT display was not added since design considerations for such hardware differ significantly from a teleprinter.
Project Genie was a computer research project started in 1964 at the University of California, Berkeley. It produced an early Berkeley Timesharing System, which was then commercialized as the SDS 940. The project influenced innovations in memory paging and protected memory. It also led to the development of the BCC-500 computer system which could support 500 users, a large number at the time. The project also led to the development of the Sigma series computers in 1966. The first internet message was then sent in October 1969 from a Sigma 7 series computer operated by Leonard Kleinrock's group at UCLA.
Community Memory (CM) was the first public computerized bulletin board system. Established in 1973 in Berkeley, California, it used an SDS 940 timesharing system in San Francisco connected via a 110 baud link to a Teletype Model 33 teleprinter, essentially a computer printer and keyboard (a hard copy terminal that prints both input and output), in Leopold's Records record store in Berkeley, California to let users enter and retrieve messages. Individuals could place messages in the computer and then look through the memory for a specific notice. While initially conceived as an information and resource sharing network linking a variety of counter-cultural economic, educational, and social organizations with each other and the public, Community Memory was soon generalized to be an information flea market, by providing unmediated, two-way access to message databases through public computer terminals. Once the system became available, the users demonstrated that it was a general communications medium that could be used for art, literature, journalism, commerce, and social chatter.
Before the 1921 destruction of Tulsa’s Greenwood District, Black residents had created a remarkable center of business and community life. The district included stores, professional offices, entertainment venues and homes owned by Black citizens. Understanding Greenwood means learning what was built—not only what was burned.
MORE →Madam C.J. Walker