This battle took place on 16 May 1644 during the Danish-Swedish War

Hannibal War

The Torstenson war, Hannibal controversy or Hannibal War was a short period of conflict between Sweden and Denmark–Norway which occurred in 1643 to 1645 during the waning days of the Thirty Years' War...

 near List Deep, between Sylt

Sylt

Sylt is an island in northern Germany, part of Nordfriesland district, Schleswig-Holstein, and well known for the distinctive shape of its shoreline. It belongs to the North Frisian Islands and is the largest island in North Frisia...

 and Rømø

Rømø

Rømø is a Danish island in the Wadden Sea. Rømø is part of Tønder municipality. The island has 650 inhabitants as of 1 January 2011 and covers an area of 129 km². Rømø is a popular tourist spot each year....

 in western Denmark

Denmark

Denmark is a Scandinavian country in Northern Europe. The countries of Denmark and Greenland, as well as the Faroe Islands, constitute the Kingdom of Denmark . It is the southernmost of the Nordic countries, southwest of Sweden and south of Norway, and bordered to the south by Germany. Denmark...

. Nine Danish ships under King Christian IV

Christian IV of Denmark

Christian IV was the king of Denmark-Norway from 1588 until his death. With a reign of more than 59 years, he is the longest-reigning monarch of Denmark, and he is frequently remembered as one of the most popular, ambitious and proactive Danish kings, having initiated many reforms and projects...

 forced a retreat back into List Deep of 26 smaller Dutch

Netherlands

The Netherlands is a constituent country of the Kingdom of the Netherlands, located mainly in North-West Europe and with several islands in the Caribbean. Mainland Netherlands borders the North Sea to the north and west, Belgium to the south, and Germany to the east, and shares maritime borders...

 ships (13 under Thijsen and 13 under Gierdtson) which had come to assist Sweden

Sweden

Sweden , officially the Kingdom of Sweden , is a Nordic country on the Scandinavian Peninsula in Northern Europe. Sweden borders with Norway and Finland and is connected to Denmark by a bridge-tunnel across the Öresund....

against Denmark. 4 more Dutch ships from Marcus's squadron appeared during the battle but took no part.

Denmark

Trefoldighed 48

Tre Løver 46

Lindorm 38

Norske Løve 30

Neptunus 28

Sorte Rytter 24

Phenix 20

Postillion 14

Hollandske Fregat 12

Netherlands (Thijsen)

Gulde Swaen (flag)

Grooten Dolphien (2nd flag of Gierdtson)

Lange Bark

10 others plus 4 under Marcus