天皇即位紀年

History

Time	Change
2019-05-12 10:01:46+00:00	Created
2019-05-12 10:01:46+00:00	Associated with 5190
2020-01-06 11:04:52+00:00	Associated with 36115
2020-01-06 11:05:04+00:00	Disassociated from 5190