Rowing was to be a part of the Athens games of 1896, but the events were cancelled due to bad weather. Since 1900 they have been part of the games. Name the countries(teams) which have taken medals in rowing events. (updated to include Rio2016 results)
Some countries may no longer exist, except in archival footage
A mixed team medal was awarded in 1900. That is not included in the national counts
Start by naming any country that France borders. Then name any country that borders any of those countries. Then keep going until there are no more countries left to name.