The <a href="https://en.wikipedia.org/wiki/Mud_March_(suffragists)" id="mwng" rel="mw:WikiLink" title="Mud March (suffragists)">Mud March</a> is the first large procession organised by the <a href="https://en.wikipedia.org/wiki/National_Union_of_Women's_Suffrage_Societies" id="mwnw" rel="mw:WikiLink" title="National Union of Women's Suffrage Societies">National Union of Women's Suffrage Societies</a> (NUWSS).