:era (AMR annotation guidance) |
Western calendar: BC, AD.
In the Japanese calendar, eras correspond to the reigns of Japanese emperors: Meiji (1868-1912), Taisho (1912-1926), Showa (1926-1989), Heisei (since 1989)
Example: Caesar was murdered in 44 BC .
(m / murder-01
:ARG1 (p / person :wiki "Julius_Caesar"
:name (n / name :op1 "Caesar"))
:time (d / date-entity :year 44 :era "BC"))
Example: Three Roman legions were annihilated in the Battle of the Teutoburg Forest in 9 AD .
(a / annihilate-01
:ARG1 (l / legion :quant 3
:mod (c / country :wiki "Roman_Empire"
:name (n / name :op1 "Roman" :op2 "Empire")))
:subevent-of (b / battle-01 :wiki "Teutoburg_Forest"
:name (n2 / name :op1 "Teutoburg" :op2 "Forest")
:time (d / date-entity :year 9 :era "AD")))
Example: "Augustus lived from 63 BCE to 14 CE."
(l / live-01
:ARG0 (p / person :wiki "Augustus"
:name (n / name :op1 "Augustus"))
:time (d / date-interval
:op1 (d2 / date-entity :year 63 :era "BC")
:op2 (d3 / date-entity :year 14 :era "AD")))
Example: The 9.3 Tohoku earthquake occured in the year Heisei 23 .
(e / earthquake
:location (c / country-region :wiki "Tōhoku_region"
:name (n / name :op1 "Tohoku"))
:quant (s / seismic-quantity :quant 9.3)
:time (d / date-entity :year 23 :era "Heisei"
:calendar (c2 / country :wiki "Japan"
:name (n2 / name :op1 "Japan"))))
Note: The Japanese year Heisei 23 corresponds to the year 2011 in the Western calendar.
DO NOT use :era for geological eras (such as the Mesozoic Era) or colloquial eras (such as the Victorian Era).
See also general examples for date entities.