This is the download directory for the Todayish In History WordPress plugin.
The official site for Todayish In History is http://stuporglue.org/todayish-in-history/ and its page at WordPress.org is http://wordpress.org/extend/plugins/todayish-in-history/.
Todayish In History shows a list of links to blog posts from your blog which were posted in previous years at about the same date as today. If there isn't a blog post from today's date in previous years it will use the blog post which is the least number of days away from todays date. Todayish in History provides a function for use in themes as well as a widget for use in your sidebar.