Development of Computers By Maplenut Jan 1, 1614 Logarithms invented by John Napier Period: Jan 1, 1614 to Sep 9, 2014 Computing Timeline Jan 1, 1666 Samuel Morland builds a calculator that can add and subtract Jan 1, 1703 Gottfried Wilhelm Leibniz invents the Binary System Jan 1, 1833 Analytical Engine (first modern-ish computer made) was made Jan 1, 1851 Arithmometer: First commercially successful calculator launched Jan 1, 1873 QWERTY Keyboard invented Sep 23, 1889 Nintendo is founded Jan 1, 1910 3 companies merge to creat C-T-R Feb 14, 1924 C-T-R becomes IBM Dec 1, 1943 First COLOSSUS code-cracking machine becomes operational Jun 8, 1955 Timothy Bernes-Lee is born Jan 1, 1963 Douglas Engelbart invents the mouse Sep 15, 1975 Microsoft founded Nov 20, 1985 Microsoft Windows launched Oct 5, 2011 Steve Jobs, cofounder of Apple, dies