Socrates on the Invention of Writing and the Relationship of Writing to Memory
(Circa 370 BCE)
Memory / Mnemonics / Data Storage Timeline Outline
1,000 BCE – 300 BCE
Plato Compares Human Memory to Wax Tablets
(Circa 369 BCE)
300 BCE – 30 CE
The Earliest Treatise on Mnemonics
(Circa 90 BCE)
30 CE – 500 CE
Note-Taking Versus "Place Memory" from Antiquity through the Renaissance and Later
(Circa 50 CE –
1700)

(Circa 150 CE –
450 CE)
1400 – 1450
1450 – 1500
The First Printed Herbal
(May 9, 1477)
1600 – 1650
Erasable Paper from 1609
(1609)
1650 – 1700
Locke's Method of Indexing Commonplace Books
(1685 –
1706)
1750 – 1800
1800 – 1850
The Analytical Engine
(1834)
1850 – 1875
Flong as an "Immutable Form of Information Capture"
(Circa 1850)
1875 – 1900
1930 – 1940
Zuse Completes the Z2
(1939)
1940 – 1950
Sealing of the Crypt of Civlization
(May 25, 1940)
Electronic Memory
(January 29, 1944)
The Williams Tube: The First Random-Access Memory
(June 1946 –
March 1947)
A Single Erasable High-Speed Memory
(July 15, 1946)
The First Electronic Computer Company Receives its first Grant
(September 1946)
Invention of Holography
(1947)
Northrop Places the Contract for the BINAC
(October 1947)
Patenting the Mercury Acoustic Delay-Line Electronic Memory
(October 31, 1947)
1950 – 1960
IBM Installs its First Stored Program Electronic Computer, the 701, but They Don't Call it a Computer
(March 27, 1953)
Magnetic Core Storage Units
(1955)
"The Magical Number Seven, Plus or Minus Two. . . "
(April 15, 1955 –
1956)
1960 – 1970
"Libraries of the Future"
(1965)
Memory Caching
(April 1965)
Semi-Conductor Memory
(1966)
The Invention of DRAM
(1966)
The Laserdisc
(1969 –
December 15, 1978)
1970 – 1980
System/370 Using Semiconductor Memory
(June 30, 1970)
The CD is Developed
(1976 –
1983)
1980 – 1990
Invention of Flash Memory
(Circa 1980)
The First Scanner?
(November 1982)
The First Commercially Available IBM PC Compatible ROM Bios
(1983 –
May 1984)
The CD-ROM is Introduced
(1985)
1990 – 2000
DVDs are Introduced.
(September 1996 –
March 1997)
2000 – 2005
How Much Information?
(2000)
The ASCI White Supercomputer
(June 29, 2000)
"Vegetal and Mineral Memory: The Future of Books"
(November 1, 2003)
Cortical Rewiring and Information Storage
(October 14, 2004)
2005 – 2010
"The entire works of humankind, from the beginning of recorded history, in all languages" would amount to 50 petabytes of data.
(May 14, 2006)
The First One Terabyte Hard Disk Drive
(January 4, 2007)
Data-Storing Bacteria Could Last Thousands of Years
(February 27, 2007)
It Would Take 1800 Years to Convert the Paper Records . . . .
(March 10, 2007)
"Computers vs. Brains"
(April 1, 2009)
Costs of Managed Archiving versus Passive Archiving of Data
(June 4, 2009)
2010 – 2011
Biological Journals to Require Data-Archiving
(January 2010)
"The Data-Driven Life"
(April 20, 2010)
2011 – 2013
Worldwide Technological Capacity to Store, Communicate, and Compute Information
(February 10, 2011)
The First Large Robotized Library
(May 16, 2011)
"Physical Archiving is Still an Important Function in the Digital Era."The Internet Archive Builds an Archive of Physical Books
(June 6, 2011)
IBM Announces Phase-Change Memory
(June 30, 2011)
The Cost of Sequencing a Human Genome Drops to $10,500
(November 30, 2011)
The Smallest Magnetic Data Storage Unit Uses Just 12 Atoms per Bit
(January 13, 2012)
What Makes Spoken Lines in Movies Memorable
(April 30, 2012)
The First Book Stored in DNA and then Read
(August 16, 2012)
Memcomputing Outlined
(November 19, 2012)
2013 – Present
The Historic Vatican Library to be Digitized in 2.8 Petabytes
(March 7, 2013)
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(April 30, 2013)


