European boats

Hjortspring boat https://en.wikipedia.org/wiki/Hjortspring_boat
Nydam boat https://en.wikipedia.org/wiki/Nydam_Mose#Nydam_boat
Gokstad ship https://en.wikipedia.org/wiki/Gokstad_ship

Maryna Viazovska from Ukraine was awarded a Fields Medal in 2022.

https://www.quantamagazine.org/ukrainian-mathematician-maryna-viazovska-wins-fields-medal-20220705/