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 Governors of Alaska
Table title:
Governors of the State of Alaska
Table:
<table id='hittask' contenteditable='False'>
<tr> <th colspan=1 rowspan=1 > No. </th><th colspan=3 rowspan=1 > Governor </th><th colspan=1 rowspan=1 > Term in office </th><th colspan=1 rowspan=1 > Party </th><th colspan=1 rowspan=1 > Election </th><th colspan=2 rowspan=1 > Lt. Governor </th></tr>
<tr> <td class="highlighted"  colspan=1 rowspan=2 > 1 </td><td colspan=1 rowspan=2 > - </td><td colspan=1 rowspan=2 >  </td><th class="highlighted"  colspan=1 rowspan=2 > William A. Egan </th><td class="highlighted"  colspan=1 rowspan=2 > January 3, 1959 – December 5, 1966 (term limited) </td><td colspan=1 rowspan=2 > Democratic </td><td colspan=1 rowspan=1 > 1958 </td><td colspan=1 rowspan=2 >  </td><td colspan=1 rowspan=2 > Hugh Wade </td></tr>
<tr> <td colspan=1 rowspan=1 > 1962 </td></tr>
<tr> <td colspan=1 rowspan=1 > 2 </td><td colspan=1 rowspan=1 > - </td><td colspan=1 rowspan=2 >  </td><th colspan=1 rowspan=1 > Wally Hickel </th><td colspan=1 rowspan=1 > December 5, 1966 – January 29, 1969 (resigned) </td><td colspan=1 rowspan=1 > Republican </td><td colspan=1 rowspan=1 > 1966 </td><td colspan=1 rowspan=2 >  </td><td colspan=1 rowspan=1 > Keith Harvey Miller </td></tr>
<tr> <td colspan=1 rowspan=1 > 3 </td><td colspan=1 rowspan=1 > - </td><th colspan=1 rowspan=1 > Keith Harvey Miller </th><td colspan=1 rowspan=1 > January 29, 1969 – December 7, 1970 (lost election) </td><td colspan=1 rowspan=1 > Republican </td><td colspan=1 rowspan=1 > Succeeded from Secretary of State </td><td colspan=1 rowspan=1 > Robert W. Ward </td></tr>
<tr> <td class="highlighted"  colspan=1 rowspan=1 > 1 </td><td colspan=1 rowspan=1 > - </td><td colspan=1 rowspan=1 >  </td><th class="highlighted"  colspan=1 rowspan=1 > William A. Egan </th><td class="highlighted"  colspan=1 rowspan=1 > December 7, 1970 – December 2, 1974 (lost election) </td><td colspan=1 rowspan=1 > Democratic </td><td colspan=1 rowspan=1 > 1970 </td><td colspan=1 rowspan=1 >  </td><td colspan=1 rowspan=1 > H. A. Boucher </td></tr>
<tr> <td colspan=1 rowspan=2 > 4 </td><td colspan=1 rowspan=2 > - </td><td colspan=1 rowspan=2 >  </td><th colspan=1 rowspan=2 > Jay Hammond </th><td colspan=1 rowspan=2 > December 2, 1974 – December 6, 1982 (term limited) </td><td colspan=1 rowspan=2 > Republican </td><td colspan=1 rowspan=1 > 1974 </td><td colspan=1 rowspan=2 >  </td><td colspan=1 rowspan=1 > Lowell Thomas Jr. </td></tr>
<tr> <td colspan=1 rowspan=1 > 1978 </td><td colspan=1 rowspan=1 > Terry Miller </td></tr>
<tr> <td colspan=1 rowspan=1 > 5 </td><td colspan=1 rowspan=1 > - </td><td colspan=1 rowspan=2 >  </td><th colspan=1 rowspan=1 > Bill Sheffield </th><td colspan=1 rowspan=1 > December 6, 1982 – December 1, 1986 (not candidate for election) </td><td colspan=1 rowspan=1 > Democratic </td><td colspan=1 rowspan=1 > 1982 </td><td colspan=1 rowspan=2 >  </td><td colspan=1 rowspan=2 > Steve McAlpine </td></tr>
<tr> <td colspan=1 rowspan=1 > 6 </td><td colspan=1 rowspan=1 > - </td><th colspan=1 rowspan=1 > Steve Cowper </th><td colspan=1 rowspan=1 > December 1, 1986 – December 3, 1990 (not candidate for election) </td><td colspan=1 rowspan=1 > Democratic </td><td colspan=1 rowspan=1 > 1986 </td></tr>
<tr> <td colspan=1 rowspan=1 > 2 </td><td colspan=1 rowspan=1 > - </td><td colspan=1 rowspan=1 >  </td><th colspan=1 rowspan=1 > Wally Hickel </th><td colspan=1 rowspan=1 > December 3, 1990 – December 5, 1994 (not candidate for election) </td><td colspan=1 rowspan=1 > Alaskan Independence </td><td colspan=1 rowspan=1 > 1990 </td><td colspan=1 rowspan=1 >  </td><td colspan=1 rowspan=1 > Jack Coghill </td></tr>
<tr> <td colspan=1 rowspan=2 > 7 </td><td colspan=1 rowspan=2 > - </td><td colspan=1 rowspan=2 >  </td><th colspan=1 rowspan=2 > Tony Knowles </th><td colspan=1 rowspan=2 > December 5, 1994 – December 2, 2002 (term limited) </td><td colspan=1 rowspan=2 > Democratic </td><td colspan=1 rowspan=1 > 1994 </td><td colspan=1 rowspan=2 >  </td><td colspan=1 rowspan=2 > Fran Ulmer </td></tr>
<tr> <td colspan=1 rowspan=1 > 1998 </td></tr>
<tr> <td colspan=1 rowspan=1 > 8 </td><td colspan=1 rowspan=1 > - </td><td colspan=1 rowspan=5 >  </td><th colspan=1 rowspan=1 > Frank Murkowski </th><td colspan=1 rowspan=1 > December 2, 2002 – December 4, 2006 (not candidate for election) </td><td colspan=1 rowspan=1 > Republican </td><td colspan=1 rowspan=1 > 2002 </td><td colspan=1 rowspan=2 >  </td><td colspan=1 rowspan=1 > Loren Leman </td></tr>
<tr> <td colspan=1 rowspan=1 > 9 </td><td colspan=1 rowspan=1 > Sarah Palin Germany 3 Cropped Lightened.JPG </td><th colspan=1 rowspan=1 > Sarah Palin </th><td colspan=1 rowspan=1 > December 4, 2006 – July 26, 2009 (resigned) </td><td colspan=1 rowspan=1 > Republican </td><td colspan=1 rowspan=1 > 2006 </td><td colspan=1 rowspan=1 > Sean Parnell </td></tr>
<tr> <td colspan=1 rowspan=3 > 10 </td><td colspan=1 rowspan=3 > - </td><th colspan=1 rowspan=3 > Sean Parnell </th><td colspan=1 rowspan=3 > July 26, 2009 – December 1, 2014 (lost election) </td><td colspan=1 rowspan=3 > Republican </td><td colspan=1 rowspan=2 > Succeeded from Lieutenant Governor </td><td colspan=2 rowspan=1 > Vacant </td></tr>
<tr> <td colspan=1 rowspan=1 > Craig Campbell (took office August 10, 2009) </td></tr>
<tr> <td colspan=1 rowspan=1 > 2010 </td><td colspan=1 rowspan=1 > Mead Treadwell </td></tr>
<tr> <td colspan=1 rowspan=2 > 11 </td><td colspan=1 rowspan=2 > - </td><td colspan=1 rowspan=2 >  </td><th colspan=1 rowspan=2 > Bill Walker </th><td colspan=1 rowspan=2 > December 1, 2014 – December 3, 2018 (withdrew from election) </td><td colspan=1 rowspan=2 > Independent </td><td colspan=1 rowspan=2 > 2014 </td><td colspan=1 rowspan=2 >  </td><td colspan=1 rowspan=1 > Byron Mallott (resigned October 16, 2018) </td></tr>
<tr> <td colspan=1 rowspan=1 > Valerie Davidson </td></tr>
<tr> <td colspan=1 rowspan=1 > 12 </td><td colspan=1 rowspan=1 > - </td><td colspan=1 rowspan=1 >  </td><th colspan=1 rowspan=1 > Mike Dunleavy </th><td colspan=1 rowspan=1 > December 3, 2018 – present </td><td colspan=1 rowspan=1 > Republican </td><td colspan=1 rowspan=1 > 2018 </td><td colspan=1 rowspan=1 >  </td><td colspan=1 rowspan=1 > Kevin Meyer </td></tr>
</table>
Question:
When did William A. Egan serve as first governor of the State of Alaska?
Answer:
William A. Egan served as the first governor of the State of Alaska from January 3, 1959 to 1966 and 1970 to 1974.