To search for news that happened on a specific day, use the special "That Day in History" search box found on the right side of the home page.
Type in a date between 1940 and the present, click "Apply," and you'll go to a special search results page with World News Digest articles* and News Media Roundups from that specific date.
From that results page, you can now adjust your dates in the filter on the right side of the page and run a new search. You can also filter the results by source: World News Digest articles and News Media Roundups.
*Please note, articles from the Reuters News Feed are not included in the search results for "That Day in History" search. News Media Roundups date back to January 2016.