Change the publication date and associated URL for a Sitefinity News article.

sf-change-news-date.cs

using Telerik.Sitefinity.Modules.News;
using Telerik.Sitefinity.News.Model;

public void ChangeNewsDate() 
{
        // https://www.progress.com/blogs/how_to_publish_content_items_in_the_past
        // https://www.progress.com/documentation/sitefinity-cms/for-developers-modify-news-items
        var pubDate = new DateTime(2019, 02, 25);
        var manager = NewsManager.GetManager();
        //var item = manager.GetNewsItem(new Guid("6aa1dc9a-58ad-45e5-b624-fe5e8267728a"));
        var item = manager.GetNewsItems().Where(n => n.Title == "Nearly Two Hundred Serving on Missions Trips" && n.Status == Telerik.Sitefinity.GenericContent.Model.ContentLifecycleStatus.Master).FirstOrDefault();
        item.PublicationDate = pubDate;
        item.Urls.Clear(); // don't keep additional URLs
        manager.RecompileItemUrls(item);
        manager.Lifecycle.PublishWithSpecificDate(item, pubDate);
        manager.SaveChanges();
)