1921 Netherlands–Germany international aquatics competitions

The Dutch water polo and swimming club and the Dutch swimmer Rie Beisenherz went in August 1921 to Germany to compete in international aquatics competitions. International competitions were held on 6 August in Essen, on 8 August in Duisburg and on 10 August in Barmen. Swimming competitions and water polo matches were held.
Preparations.
Initially the tour of De Dolfijn was scheduled from 5 to 12 August 1921, with a total of six matches starting in Essen and ending in Ohligs. However it was adjusted to less matches between 6 to 10 August.
6 August - Essen.
International aquatics competitions took place on 6 August 1921 in Essen, Germany. The Dutch Marie Beisenherz of the Amsterdamsche Dames Zwemclub (ADZ) won the 100 metres breaststroke in a time of 1:28.8. In the relay event both teams finished in the same time. Because the German team didn’t want to do a race again, became the winner. Awater polo match between De Dolfijn and Essener Schwimmverein was won by the Dutch team with 5-1.
8 August - Duisburg.
On 8 August internationals competitions were organized by (Amateur-Schwimm-Club Duisburg). De Dolfijn won the water polo match with 9-0 and won also the relay race. The Dutch Rie Beisenherz won the 100 metre breaststroke event. 
10 August - Barmen.
The last completion of De Dolfijn in Germany was on 10 August in Barmen. The water polo team won with 2-0 against Schwimmverein Barmen. Rie Beisenherz won the 100 metre breaststroke event in a time of 1:25.4.