Timeline is a straightforward mechanism to present the sequence of events in a spatial metaphor. To do this well, computer-based visualization is the ideal place to show this metaphorical mapping. One can find the following tools to be useful in our work:
TimelineJS from Knightlab.com
Please see TimelineJS from Northwestern University.
TimeMap.js on Google Code
Please see TimeMap
Simile Widget Timeline
Please see SIMILE_TIMELINE