Using the slider you can select periods in time. For instance the time the IRA was very active in Northern Ireland (1975-2000) or zoom in on events like 9/11.

We've created an animated version as well. Right now Tableau can only do this in the desktop version, not online. So we captured the screen and put it on our YouTube channel.

Datacredits:

National Consortium for the Study of Terrorism and Responses to Terrorism (START). (2016). Global Terrorism Database [Data file]. Retrieved from https://www.start.umd.edu/gtd

Noot:

Data from 1993 was lost by Start. Reconstructed data is used, but covers only 780 of the appr. 4900 attacks.