The United States <a href="https://en.wikipedia.org/wiki/Library_of_Congress" id="mwPw" rel="mw:WikiLink" title="Library of Congress">Library of Congress</a> is established when President <a href="https://en.wikipedia.org/wiki/John_Adams" id="mwQA" rel="mw:WikiLink" title="John Adams">John Adams</a> signs legislation to appropriate $5,000 to purchase "such books as may be necessary for the use of <a href="https://en.wikipedia.org/wiki/United_States_Congress" id="mwQQ" rel="mw:WikiLink" title="United States Congress">Congress</a>".