Plus Deutsch is German for German, henceforth the explaination on why the Pennsylvania Dutch are called that when they are really German and not Dutch. The Dutch from the Netherlands also got their ethnic name derived from the German term Deutsch as well believe it or not. If you're Dutch, then you are from Denmark.
1 Deadline for filing a 2015 personal, partnership, or calendar year estates/trusts tax returns or extension.  The return or extension must be postmarked or transmitted for e-filing by Monday, April 18, 2016 (April 19 for Maine and Massachusetts residents).
An extension is a way to ask the Internal Revenue Service for more time to file a tax return. The deadline to file your 2014 return is April 15, 2015. Form 4868 will extend the deadline by six months. With an extension, your deadline to file a tax return is extended to October 15, 2015.