1908: The team of WZ & PC “Triton”, Netherlands

The early Water Polo team of Weesper Zwem en Polo Club “Triton”. Triton is a club of Weesp, Netherlands established in 1908.
Weesp lies next to the rivers de Vecht and Smal Weesp, next to the Amsterdam – Rhine Canal.
Source: http://www.triton-weesp.nl/