[1] During the summer months of 1880-1892, the Dannebrog underwent expeditions in Danish waters and visited several foreign ports.

[1] From December 1906 - 1907, the yacht had an overhaul, where its length was increased to 72 meters and a newly designed main engine with bigger dimensions was installed.

[1] During the summer months of 1909, the yacht had an expedition in Danish waters, and from 11–23 July, a voyage to Russia, escorted by the cruiser Gejser, was held.

[1] From 14–17 May 1912, the yacht was escorted by coastal defense ship called "Olfert Fischer" during the voyage to Travemünde to move the coffin of the King Frederik VIII, who died in Hamburg on 14 May 1912.

[1] During the summer months of 1913, the yacht travelled Danish waters and visited Landskrona (Sweden) and Rostock (Germany).