The Anti-Union was a short lived publication at the end of the eighteenth century. It lasted less than three months and consisted of only thirty-two numbers. Conceived in the aftermath of the 1798 rebellion (May–Sep.), this political periodical explored the issues surrounding an incorporated union with Britain. The Anti-Union opposed the impending union between Ireland and Britain which was being proposed in the political sphere at this time. This is suggested most obviously by the journal's title and by the political views expressed in its published letters. Each issue comprises four pages in total. Each issue consists mainly of one or more letters, most of which are penned using pseudonyms such as "A lawyer", "Hibernicus" and "An Anti-Jacobin". This journal would be of interest to scholars of Irish and British politics and history of the eighteenth century.