dateline

US /ˈdeɪt.laɪn/
UK /ˈdeɪt.laɪn/
"dateline" picture
1.

a line at the head of a newspaper or magazine article, giving the date and place of origin of the news dispatch

:
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The article's dateline read 'London, October 26.'
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Every news report needs a clear dateline.
:
bylineheadlinemasthead
1.

to mark an article with a dateline

:
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The editor will dateline the story before publication.
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Make sure to properly dateline all your reports.