Please read the following table in HTML format from a webpage and then answer the question in detail according to the table. Each table cell is defined by a <td> and a </td> tag. Each table row starts with a <tr> and ends with a </tr> tag. 'rowspan=m' and 'colspan=n' represents a cell spaning over 'm' rows and 'n' columns.

Webpage title:
List of former United States district courts
Table title:
Georgia
Table:
<table id='hittask' contenteditable='False'>
<tr> <td colspan=1 rowspan=1 > Judge </td><td colspan=1 rowspan=1 > Appointed by </td><td colspan=1 rowspan=1 > Began active service </td><td colspan=1 rowspan=1 > Ended active service </td><td colspan=1 rowspan=1 > End reason </td></tr>
<tr> <td colspan=1 rowspan=1 > Joseph Clay, Jr. </td><td colspan=1 rowspan=1 > George Washington </td><td colspan=1 rowspan=1 > September 16, 1796 </td><td colspan=1 rowspan=1 > February 24, 1801 </td><td colspan=1 rowspan=1 > reappointment </td></tr>
<tr> <td class="highlighted"  colspan=1 rowspan=1 > Jeremiah La Touche Cuyler </td><td class="highlighted"  colspan=1 rowspan=1 > James Monroe </td><td class="highlighted"  colspan=1 rowspan=1 > June 12, 1821 </td><td colspan=1 rowspan=1 > May 7, 1839 </td><td colspan=1 rowspan=1 > death </td></tr>
<tr> <td class="highlighted"  colspan=1 rowspan=1 > William Davies </td><td colspan=1 rowspan=1 > James Monroe </td><td colspan=1 rowspan=1 > January 14, 1819 </td><td colspan=1 rowspan=1 > March 9, 1821 </td><td colspan=1 rowspan=1 > resignation </td></tr>
<tr> <td colspan=1 rowspan=1 > John Cochran Nicoll </td><td colspan=1 rowspan=1 > Martin Van Buren </td><td colspan=1 rowspan=1 > May 11, 1839 </td><td colspan=1 rowspan=1 > August 11, 1848 </td><td colspan=1 rowspan=1 > reassigned to subdivided districts of Georgia </td></tr>
<tr> <td colspan=1 rowspan=1 > Nathaniel Pendleton </td><td colspan=1 rowspan=1 > George Washington </td><td colspan=1 rowspan=1 > September 26, 1789 </td><td colspan=1 rowspan=1 > September 1, 1796 </td><td colspan=1 rowspan=1 > resignation </td></tr>
<tr> <td colspan=1 rowspan=1 > William Stephens </td><td colspan=1 rowspan=1 > Thomas Jefferson </td><td colspan=1 rowspan=1 > October 22, 1801 </td><td colspan=1 rowspan=1 > October 13, 1818 </td><td colspan=1 rowspan=1 > resignation </td></tr>
</table>
Question:
What caused William Davies to vacate his seat and who replaced him?
Answer:
William Davies resigned, and he was replaced on the United States District Court for the District of Georgia by Jeremiah La Touche Cuyler.