Assertion: league | /r/ObjectUse | used by ancient rome
Facets:
Source sentences:
text: The league was used by Ancient Rome, which defined it as being ​1 1⁄ 2 Roman miles (7500 Roman feet or 2.22 km).
text: The league was used in Ancient Rome, defined as ​1 1⁄ 2 Roman miles (7 500 Roman feet, modern 2.2 km or 1.4 miles).