Go to Wikipedia.org, select the Language. Sign In to the Account, already created. In the Search Box in the top right, enter the exact name of the article you want to publish, and click enter. You will see You may create the page “Write my new article“, but consider checking the search results below to see whether the topic is already covered.

Publication is the first threshold that all information must meet to be included in Wikipedia's articles. For Wikipedia's purposes, published means any source that is made available to the public in some form. The term published is most commonly associated with text materials, either in traditional printed format or online. However, audio, video, and multimedia materials that have been recorded then broadcast, distributed, or...