Assertion: stokes mortar | /r/HasProperty | devised by sir wilfred stokes
Facets:
value: in 1915
type: TEMPORAL
value: during the first world war
type: TEMPORAL
Source sentences:
text: It was not until the Stokes Mortar was devised by Sir Wilfred Stokes in 1915 during the First World War that the modern mortar transportable by one person was born.
text: It was not until the Stokes Mortar was devised by Sir Wilfred Stokes in 1915 during the First World War that the modern mortar transportable by one person was born.