Animate
Make armies move, cities grow, and fires spread with a few mouse clicks!
(1) Control the rate at which historical time passes.
The Great Boston Fire of November 1872 lasted about 12 hours. This timeline will show its spread in 30 seconds. Historical Time Units can be anything from a minute to a millennium.
(2) Customize movement along a path: show the past only, the future only, or the entire path. Use a standard icon, a custom icon, or no icon.
Paths in blue show expansion of Polish-Americans from core neighborhoods predating the Civil War out to the near suburbs starting after World War I.
(3) Customize movement from one area to another.
This links the area event representing the start of the Great Boston Fire to the area event showing how far the fire had spread by 10 PM. In this scenario, each area event is linked to the next larger area of the fire's extent.