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).
Mail Your Tax Return with USPS. Use the U.S. Postal ServiceÂ® to file with confidence on tax day. Find the right products and services to fit your tax day needs. Federal Tax Deadlines. If your tax return is postmarked by April 18, 2017 or October 16, 2017 (extension), the IRS considers it filed on time. 1  April 18, 2017 â Federal tax return filing deadline. 2  October 16, 2017 â Federal tax return extension deadline.