In this article, we share tips for writing a short, simple resignation letter and offer examples for you to reference when creating your own. This letter is important to document your reasons for leaving and to provide evidence of the circumstances that led to your resignation.Learn how to write a resignation letter with our easy-to-use template and examples! Then, state your intent to resign and exact date of departure. The signed 1945 resignation letter from Prime Minister Winston Churchill to King George, ending his ministry. Buy from the Raab Collection. Then, state your intent to resign and exact date of departure. The tip to starting a formal English letter is to greet the person you're writing to in the correct way. This is known as the 'Salutation'. Lastly, Cathe read Julie Culp's resignation letter.