Well, I'm not going to be able to write an entire article for you, but I am able to help you with at least a thesis statement idea, as this must be in your own original words. Thesis statements are what state the point of your essay or article, kind of an introduction. So maybe something interesting or eye catching, and then build off of it. For example, things like: "With new holidays sprouting up everywhere, soon, there won't be any regular days left!" or "With a growing craze of special days popping up, what'll we be getting next?" Something catchy, that states your point, and add on from there with supporting details and such. I really hope this helped!