Assertion: hypothesis | /r/HasProperty | pioneered by two german scholars
Facets:
value: in the early nineteenth century
type: TEMPORAL
Source sentences:
text: The theory was pioneered by two German scholars, Karl Ernst Jarcke and Franz Josef Mone, in the early nineteenth century, and was adopted by the French historian Jules Michelet, the American feminist Matilda Joslyn Gage, and the American folklorist Charles Leland later in that century.