User:Robert W King/Sandbox

Test of timeline

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300 B.C. Slamis Tablet 300 B.C. - 500 A.D. Roman Hand Abacus Circa 1200 A.D. modern Chinese Abacus ?? A.D. the Codex Madrid written by Leonardo Da Vinci 1642 Pascal invents the Pascaline 1821 Babbage creates the Difference Engine No. 1 ?? Babbage creates the Analytical Engine 1884 Hollerith's Electric Tabulating System 1890 Hollerith improves his system by adding a keyboard 1936-1938 Konrad Zuse creates the Z1 1936-1939 Z2 1939-1941 Z3 1943 First Colossus prototype by Tommy Flowers 1944 Construction of ASCC, or Harvard Mk I by Howard Aiken 1946 ENIAC construction complete Orders from Churchill to destroy all 10 Colossus machines 1951 UNIVAC delivered to the census bureau 1952 EDVAC becomes operational

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Section 3

History of Computing Timeline
?? B.C.					The Slamis Tablet is used by Babylonians to quantify society
300 B.C. - 500 A.D.					Roman Hand Abacus
~1200 A.D.					The modern Chinese Abacus
??					Leonardo Da Vinci writes the "Codex Madrid"
1642					Blaise Pascal's Pascaline
1821					Charles Babbage creates the Difference Engine
					Babbage comes up with the Analytical Engine

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Section 4

History of Computing Timeline