Christina Regina von Birchenbaum

Christina Regina von Birchenbaum, also spelled Börkenbohm, was a seventeenth-century Finnish poet. Her only surviving work is the autobiographical acrostic poem "En annan ny visa" ("Another New Song," 1651).

"En annan ny visa" The poem "En annan ny visa" is constructed of twenty-nine stanzas of eight lines each. Birchenbaum's full name is spelled out in acrostic form by the first letters of the stanzas.

According to the poem, Birchenbaum was born in Karelia; her father died when she was three. She met her future husband early in life. Two other documents survive relating to Birchenbaum; they are petitions dating from the late 1660s, featuring her testimony that she was the widow of Major Axel Paulj Liljenfeldt, Birchenbaum was a contemporary (though a younger one) of the Finnish poet Sigfridus Aronus Forsius. Birchenbaum was also the first known Finnish poet to write in the Swedish language. She is additionally notable in that "En annan ny visa" is the only firsthand literary account of Finland's participation fighting under Sweden in the Thirty Years' War.