U.S. President <a href="https://en.wikipedia.org/wiki/Lyndon_B._Johnson" id="mwASA" rel="mw:WikiLink" title="Lyndon B. Johnson">Lyndon B. Johnson</a> signs into law an <a class="mw-redirect" href="https://en.wikipedia.org/wiki/Antitrust" id="mwASE" rel="mw:WikiLink" title="Antitrust">antitrust</a> exemption allowing the <a href="https://en.wikipedia.org/wiki/National_Football_League" id="mwASI" rel="mw:WikiLink" title="National Football League">National Football League</a> to <a href="https://en.wikipedia.org/wiki/AFL–NFL_merger" id="mwASM" rel="mw:WikiLink" title="AFL–NFL merger">merge</a> with the upstart <a href="https://en.wikipedia.org/wiki/American_Football_League" id="mwASQ" rel="mw:WikiLink" title="American Football League">American Football League</a>.