The <a href="https://en.wikipedia.org/wiki/National_League_(baseball)" id="mwkQ" rel="mw:WikiLink" title="National League (baseball)">National League of Professional Baseball Clubs</a> of <a href="https://en.wikipedia.org/wiki/Major_League_Baseball" id="mwkg" rel="mw:WikiLink" title="Major League Baseball">Major League Baseball</a> is formed.