1.0South Carolina Encyclopediahttps://www.scencyclopedia.org/sceMatthew Simmonshttps://www.scencyclopedia.org/sce/author/sceditor/rich600338<blockquote class="wp-embedded-content" data-secret="80EAj5arGW"><a href="https://www.scencyclopedia.org/sce/entries/calhoun-john-caldwell/">Calhoun, John Caldwell</a></blockquote><iframe sandbox="allow-scripts" security="restricted" src="https://www.scencyclopedia.org/sce/entries/calhoun-john-caldwell/embed/#?secret=80EAj5arGW" width="600" height="338" title="“Calhoun, John Caldwell” — South Carolina Encyclopedia" data-secret="80EAj5arGW" frameborder="0" marginwidth="0" marginheight="0" scrolling="no" class="wp-embedded-content"></iframe><script type="text/javascript"> /* <![CDATA[ */ /*! This file is auto-generated */ !function(d,l){"use strict";l.querySelector&&d.addEventListener&&"undefined"!=typeof URL&&(d.wp=d.wp||{},d.wp.receiveEmbedMessage||(d.wp.receiveEmbedMessage=function(e){var t=e.data;if((t||t.secret||t.message||t.value)&&!/[^a-zA-Z0-9]/.test(t.secret)){for(var s,r,n,a=l.querySelectorAll('iframe[data-secret="'+t.secret+'"]'),o=l.querySelectorAll('blockquote[data-secret="'+t.secret+'"]'),c=new RegExp("^https?:$","i"),i=0;i<o.length;i++)o[i].style.display="none";for(i=0;i<a.length;i++)s=a[i],e.source===s.contentWindow&&(s.removeAttribute("style"),"height"===t.message?(1e3<(r=parseInt(t.value,10))?r=1e3:~~r<200&&(r=200),s.height=r):"link"===t.message&&(r=new URL(s.getAttribute("src")),n=new URL(t.value),c.test(n.protocol))&&n.host===r.host&&l.activeElement===s&&(d.top.location.href=t.value))}},d.addEventListener("message",d.wp.receiveEmbedMessage,!1),l.addEventListener("DOMContentLoaded",function(){for(var e,t,s=l.querySelectorAll("iframe.wp-embedded-content"),r=0;r<s.length;r++)(t=(e=s[r]).getAttribute("data-secret"))||(t=Math.random().toString(36).substring(2,12),e.src+="#?secret="+t,e.setAttribute("data-secret",t)),e.contentWindow.postMessage({message:"ready",secret:t},"*")},!1)))}(window,document); /* ]]> */ </script> https://cdn.scencyclopedia.org/sce/wp-content/uploads/2016/04/14142023/John-C-Calhoun.jpg420599Congressman, secretary of war, vice president of the United States, U.S. senator. Calhoun was born in Abbeville District on March 18, 1782, the third son of Patrick Calhoun, an upcountry planter and former legislator, and Martha Caldwell. A prodigy, the young Calhoun lost his father at an early age. His older brothers, William and James, […]