page_title: List of ironclads
section_title: Denmark
hierarchical_section_title: List of ironclads / Europe / Denmark
caption_attribution_description: English: Danish Ironclad Battleship Helgoland, launched in 1878, serving 1879 - 1907.
context_page_description: The list of ironclads includes all steam-propelled warship and protected by iron or steel armor plates that were built in the early part of the second half of the 19th century, between 1859 and the early 1890s. The list is arranged alphabetically by country. The initial dates of the boats correspond to the launch time, followed by a separation that indicates their retirement or final date.
  The list includes ironclads of two different categories or roles, oceanic and coastal. The various ironclads design such as the ram, broadside, central battery, turret and barbette will be mentioned. Some of these ocean ironclads can be classified as armored frigates, armored corvettes, or others based on their displacement. Wooden hull ships that have been subsequently armored will also be considered in this list.
  Although the introduction of the ironclad is clear-cut, the boundary between 'ironclad' and the later 'pre-dreadnought battleship' is less obvious, as the characteristics of the pre-dreadnought evolved from 1875 to 1895. For the sake of this article, a line is drawn around 1890, differing from country to country.
context_section_description: Broadside armored frigates
  Danmark (1864) - scrapped 1907
  Dannebrog (1850/1864) - retired in 1897
  Peder Skram (1864) - scrapped 1897
  Ironclad turret ship
  Rolf Krake (1863) - scrapped 1907
  Ironclad ram
  Stærkodder (1864, as CSS Stonewall) - the Danish purchase in 1864 of this ship failed and ended up being sold to Japan in 1867 and renamed Kōtetsu*
  Monitors
  Lindormen (1868) - retired in 1907
  Gorm (1870) - retired in 1912
  Casemate ironclad
  Odin (1872) - retired in 1912
  Barbette ironclads
  Helgoland (1878) - retired in 1907
  Tordenskjold (1880) - retired in 1908
  Iver Hvitfeldt (1886) - retired in 1919
caption: The Danish Helgoland (1878).
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