A fantastically extensive timeline of recorded information "from cave paintings to the internet". It's an expanded version of the timeline that appears in the book, From Gutenberg to the Internet (more info), which seems really interesting.
From Gutenberg to the Internet presents 63 original readings from the history of computing, networking, and telecommunications arranged thematically by chapters. Most of the readings record basic discoveries from the 1830s through the 1960s that laid the foundation of the world of digital information in which we live. These readings, some of which are illustrated, trace historic steps from the early nineteenth century development of telegraph systems -- the first data networks -- through the development of the earliest general-purpose programmable computers and the earliest software, to the foundation in 1969 of ARPANET, the first national computer network that eventually became the Internet. The readings will allow you to review early developments and ideas in the history of information technology that eventually led to the convergence of computing, data networking, and telecommunications in the Internet.
(via design observer)