How to write a resignation letter that's effective immediately? Learn how to write a short notice resignation letter with this stepbystep guide, template and examples of formal resignation.In the first sentence, clearly state your intention to resign and that your resignation is effective immediately. Create your immediate resignation letter online in minutes. Customize, download, and resign professionally with ease. Wesley Branch Rickey (December 20, 1881 – December 9, 1965) was an American baseball player and sports executive. As President, Buchanan intervened to assure the Supreme Court's majority ruling in the pro-slavery decision in the Dred Scott case. Having an immediate impact on public safety.