🔹 Use the slider at the bottom of the map to adjust the displayed year.
🔹 Use the play controls to quickly increment the year and animate the map through time.
The settings gear (⚙️) can be used to access additional controls:
🔹 Use the "Enter year" box to quickly navigate to a specific year.
🔹 Use the "Play rate" box to set the rate of the animation (and the skip controls increment).
🔹 Use the opacity slider to adjust the transparency of the polity shapes.
🔹 Use the "Choose base map" dropdown to switch between different base maps.
🔹 Learn more about the polity border choices.
This quasipolity refers to the Brythonic-speaking kingdoms that emerged in western Britain and Brittany after the withdrawal of the Roman Empire in the early fifth century. They persisted in some form until the final conquest of Wales by Edward I of England in 1283.
| Year Range | Brythonic Kingdoms (gb_brythonic_k) was in: |
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