I found a unique and visually stunning infographic on FlickR today:
Timeline of Major Trends and Events (Social, Technological, Economic & Political)

Peter von Stackelberg designed this complex timeline of social, technological, economic and political events and trends from 1750 to 2100. Each time series shows graphs, events and categories on a common scale. Peter says:
“The purpose of the timeline is to provide a visual tool for looking at events across a relatively long period of time and identify patterns and interrelationships involving a broad range of factors. Identification of …

http://www.worldhistory-poster.com/en/
Over the last couple years, I’ve collected links to a number of sites that offer timeline-based browsing and thought I would share. Many of these sites are quite helpful for a number of areas of research, and help put many events into context and historical perspective:
From Cave Paintings to the Internet (Formerly From Gutenberg to the Internet)
http://historyofscience.com/G2I/timeline/
Timeline Index
http://www.timelineindex.com/content/home.php
World History Timeline Poster (Amazing)
http://www.worldhistory-poster.com/en/
Adventures in Philosophy: History of Philosophy Timeline
http://radicalacademy.com/diahistphil.htm