How far back do your newspaper's online archives go? The U.S. Library of Congress has a database of thousands of newspapers dating back to the 1800s. In the case of over 150 of the papers, there are also digitized, searchable pages. And it's all available via its new Chronicling America API (technical details at our Chronicling America API profile).
There's more to our existence than we may be aware. The day we were born marks the date of other interesting and important events around the world, and it would be really cool to find out every bit of trivia surrounding a specific date at the click of a button. DayDetails is a free web service that allows the user to type in a specific date and find out all the recorded facts regarding that date. The site also provides the RESTful DayDetails API that allows developers to request specific date details.
Short is the new long. Twitter keeps you to 140 characters, which means sometimes you have to cut things short. Help make sense of the acronyms with the Abbreviations API (our our Abbreviations API profile). Pass a term and receive its many meanings, along with the context where each meaning is used.