One what date was the battle fought, that Simon Grundel-Helmfelt is most notable for?
Simon Grundel-Helmfelt Baron Simon Grundel-Helmfelt (1617–1677) was a Swedish field marshal and governor. Helmfelt is most notable for his overwhelming victory at the Battle of Lund despite being heavily outnumbered by Danish troops.
Battle of Isefjord The Battle of Isefjord was a clash that occurred when the coastal defence ship HDMS "Niels Juel" was attacked by German forces as she tried to escape to neutral Sweden.