Code and plots for the 30 Day Map Challenge. The maps will be themed on mapping the Ancient Mediterranean region.

1. Points: Ancient settlements from before the common era.

• Settlements data from Pleiades: https://atlantides.org/downloads/pleiades/gis/

2. Lines: Major roads in the Roman Empire and roads around the city of Rome during the Empire.

• Coastline and road data from Ancient World Mapping Center.

3. Polygons: Roman dioceses under the Emperor Diocletian, r. 286-305: With outlines of further division of the dioceses into provinces.

• Data from Ancient World Mapping Center.
• The map is based on AWMC Map 12.3 Roman Empire of Diocletian and Constantine

4. A Bad map: All 26,259 points in the Pleiades ancient places data set.

• Data from Pleiades: https://atlantides.org/downloads/pleiades/gis/

6. Asia: Ancient settlements of the Roman world in Asia

• Settlement data from Pleiades: https://atlantides.org/downloads/pleiades/gis/
• Empire of Alexander data from Ancient World Mapping Center.

7. Navigation: The Ancient Silk Roads

• Modeled after Map 17.1 The Silk Roads in Liu, Xinru. "Regional Study: Exchanges Within the Silk Roads World System." In The Cambridge World History, Volume 4: A World With States, Empires and Networks, 1200 BCE–900 CE. Cambridge University Press, 2015, page 459.