oorlogsverleden

Etymology
First attested in 1917 in relation to the replacement of with. Compound of,.

Noun

 * 1) wartime past, past relating to a war
 * 2) * 1917 July 16, "De kanselierswisseling in Duitsland", De Maasbode, page 1, quoting the "Börsencourier" (only in translation).
 * "nl"

- Zijn werkzaamheid naar buiten is niet ziek door giften van het oorlogsverleden.

Usage notes
Very often associated with negative connotations, often used euphemistically for a past that involved atrocities or association with e.g. Nazis.