Assertion: french horn | /r/HasProperty | invented
Facets:
Source sentences:
text: When were French horns invented?
text: When were French horns invented?
text: When were French horns invented?
text: The French Horn was invented in 1753, it was invented because it was used for commutation and for the beautiful sound it made.
text: When were French horns invented?
text: The French horn was invented as early as 1814.
text: The French Horn was invented in 1753, it was invented because it was used for commutation and for the beautiful sound it made.