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 rulers of Lorraine
Table title:
House of Lorraine
Table:
<table id='hittask' contenteditable='False'>
<tr> <th colspan=1 rowspan=1 > Portrait </th><th colspan=1 rowspan=1 > Name </th><th colspan=1 rowspan=1 > Start term </th><th colspan=1 rowspan=1 > End term </th><th colspan=1 rowspan=1 > Note </th></tr>
<tr> <td colspan=1 rowspan=1 > - </td><td colspan=1 rowspan=1 > René II </td><td colspan=1 rowspan=1 > 24 July 1473 </td><td colspan=1 rowspan=1 > 10 December 1508 </td><td colspan=1 rowspan=1 > grandson of René I and Isabella; also Duke of Bar </td></tr>
<tr> <td colspan=1 rowspan=1 > - </td><td colspan=1 rowspan=1 > Antoine </td><td colspan=1 rowspan=1 > 10 December 1508 </td><td colspan=1 rowspan=1 > 14 June 1544 </td><td colspan=1 rowspan=1 >  </td></tr>
<tr> <td colspan=1 rowspan=1 > - </td><td colspan=1 rowspan=1 > Francis I </td><td colspan=1 rowspan=1 > 14 June 1544 </td><td colspan=1 rowspan=1 > 12 June 1545 </td><td colspan=1 rowspan=1 >  </td></tr>
<tr> <td colspan=1 rowspan=1 > - </td><td colspan=1 rowspan=1 > Charles III </td><td colspan=1 rowspan=1 > 12 June 1545 </td><td colspan=1 rowspan=1 > 14 May 1608 </td><td colspan=1 rowspan=1 >  </td></tr>
<tr> <td colspan=1 rowspan=1 > - </td><td colspan=1 rowspan=1 > Henry II </td><td colspan=1 rowspan=1 > 14 May 1608 </td><td colspan=1 rowspan=1 > 31 July 1624 </td><td colspan=1 rowspan=1 >  </td></tr>
<tr> <td colspan=1 rowspan=1 > - </td><td colspan=1 rowspan=1 > Nicole </td><td colspan=1 rowspan=1 > 31 July 1624 </td><td colspan=1 rowspan=1 > 25 November 1625 </td><td colspan=1 rowspan=1 > she was the daughter of Henry II; the estates of Lorraine eventually decided that she was not eligible to reign, and gave the crown to her uncle, Francis II; her husband and first cousin, Charles IV, would reign thereafter </td></tr>
<tr> <td colspan=1 rowspan=1 > - </td><td colspan=1 rowspan=1 > Francis II </td><td colspan=1 rowspan=1 > 25 November 1625 </td><td colspan=1 rowspan=1 > 1 December 1625 </td><td colspan=1 rowspan=1 > he immediately abdicated in favour of his son, Charles IV; died 1632 </td></tr>
<tr> <td colspan=1 rowspan=1 > - </td><td class="highlighted"  colspan=1 rowspan=1 > Charles IV </td><td colspan=1 rowspan=1 > 1 December 1625 </td><td colspan=1 rowspan=1 > 19 January 1634 </td><td class="highlighted"  colspan=1 rowspan=1 > abdicated in favour of his brother </td></tr>
<tr> <td colspan=1 rowspan=1 > - </td><td class="highlighted"  colspan=1 rowspan=1 > Nicholas II </td><td class="highlighted"  colspan=1 rowspan=1 > 19 January 1634 </td><td class="highlighted"  colspan=1 rowspan=1 > 1 April 1634 </td><td colspan=1 rowspan=1 > fled into exile and abdicated in favour of his older brother; the duchy remained under effective French control for the next 27 years </td></tr>
<tr> <td colspan=1 rowspan=1 > - </td><td class="highlighted"  colspan=1 rowspan=1 > Charles IV </td><td colspan=1 rowspan=1 > 1 April 1634 </td><td class="highlighted"  colspan=1 rowspan=1 > 18 September 1675 </td><td class="highlighted"  colspan=1 rowspan=1 > nominally restored as a result of his brother's abdication; Lorraine was occupied by France, and the Duke in exile, from 1634 to 1661 and again from 1670 until his death </td></tr>
<tr> <td colspan=1 rowspan=1 > - </td><td colspan=1 rowspan=1 > Charles V Leopold </td><td colspan=1 rowspan=1 > 18 September 1675 </td><td colspan=1 rowspan=1 > 18 April 1690 </td><td colspan=1 rowspan=1 > He was in exile and Lorraine was occupied by France throughout his nominal reign </td></tr>
<tr> <td colspan=1 rowspan=1 > - </td><td colspan=1 rowspan=1 > Leopold </td><td colspan=1 rowspan=1 > 18 April 1690 </td><td colspan=1 rowspan=1 > 27 March 1729 </td><td colspan=1 rowspan=1 > He was in exile and Lorraine was occupied by France until 30 October 1697, when it was returned to Léopold Joseph; it was again occupied by France from 1702 to 1714, although the duke remained in place </td></tr>
<tr> <td colspan=1 rowspan=1 > - </td><td colspan=1 rowspan=1 > Francis III Stephen </td><td colspan=1 rowspan=1 > 27 March 1729 </td><td colspan=1 rowspan=1 > 9 July 1737 </td><td colspan=1 rowspan=1 > traded Lorraine in exchange for the Grand Duchy of Tuscany; elected Holy Roman Emperor in 1745; died 1765, husband of Empress Maria Theresa </td></tr>
</table>
Question:
How long was Charles IV the Duke of Lorraine and were there any interruptions during his term?
Answer:
Charles IV was Duke of Lorraine until his death in 1675, with an interruption in 1634, when he abdicated in favor of his brother, Nicholas.