Protochronism

thumb|300px|Dacian-themed mural on a communist-era apartment block in [[Orăștie, exhibiting the idiosyncratic nationalist traits of Romanian communism.]]

Dacianism is a Romanian term describing the tendency to ascribe, largely relying on questionable data and subjective interpretation, an idealised Dacian past to the country as a whole. While particularly prevalent during the regime of Nicolae Ceaușescu, its origin in Romanian scholarship dates back more than a century.