A lighthouse built on Märket island created a diplomatic issue between Sweden and Finland. The 1809 treaty had established a border which cut across the island. Relocating the lighthouse proved difficult, so the countries adjusted their border instead. This resulted in a jagged line around the lighthouse, marking Finland’s westernmost point. The island’s rising coastline necessitates periodic border re-marking by both nations.
Read more at the source
Disclaimer: The content of this post is sourced from external sites and is for informational purposes only. All rights and credits belong to the original authors and publishers.