page_title: Halvdan
hierarchical_section_title: Halvdan
caption_attribution_description: Türkçe: Ayasofya'nın üst galerisinde yer alan ve 9. yüzyıla tarihlenen Viking runik yazısı ile yazılan "Halvdan buradaydı" yazısı.
context_page_description: Halvdan is a given name. Notable people with the name include:
  Halvdan Aarsrud, Norwegian bailiff and politician for the Labour Party
  Halvdan the Black, ninth-century king of Vestfold
  Halvdan Wexelsen Freihow, Norwegian priest and culturist
  Halvdan, runemaster in mid-11th century Södermanland, Sweden
  Lie, Trygve Halvdan, Norwegian politician, labour leader, government official and author
  Halvdan Holbø, Norwegian painter
  Halvdan Koht, Norwegian historian and politician representing the Labour Party
  Halvdan Ljøsne, Norwegian painter
  Halvdan Sivertsen, Norwegian singer-songwriter and guitarist
  Halvdan Skard, Norwegian politician for the Labour Party
  Halvdan Eyvind Stokke, Norwegian railway director and politician
context_section_description: Halvdan is a given name. Notable people with the name include:
  Halvdan Aarsrud (1878–1925), Norwegian bailiff and politician for the Labour Party
  Halvdan the Black (c. 810 – c. 860), ninth-century king of Vestfold
  Halvdan Wexelsen Freihow (1883–1965), Norwegian priest and culturist
  Halvdan (runemaster), runemaster in mid-11th century Södermanland, Sweden
  Lie, Trygve Halvdan (1896–1968), Norwegian politician, labour leader, government official and author
  Halvdan Holbø (1907–1995), Norwegian painter
  Halvdan Koht (1873–1965), Norwegian historian and politician representing the Labour Party
  Halvdan Ljøsne (1929–2006), Norwegian painter
  Halvdan Sivertsen (born 1950), Norwegian singer-songwriter and guitarist
  Halvdan Skard (born 1939), Norwegian politician for the Labour Party
  Halvdan Eyvind Stokke (1900–1977), Norwegian railway director and politician
caption: "Halvdan was here" inscription in Hagia Sophia's upper gallery. (9th century)
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