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<title>歳時部三|年号上|年号通載|建永</title>
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<a href="https://shinku.nichibun.ac.jp/kojiruien/pdf/saij_1/saij_1_0211.pdf" target="_blank"><img src="https://ys.nichibun.ac.jp/KojiruienSearch/img/icon_pdf.gif">[p.0211]</a>
<div id="V">吾妻鏡<br /></div>
<div id="N">十八<br /></div>
<div id="V">元久三年四月廿七日戊寅、今日有改元、改元久三年為建永元年、
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