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:
Gabriel Tiacoh
Table title:
Achievements
Table:
<table id='hittask' contenteditable='False'>
<tr> <th colspan=1 rowspan=1 > Year </th><th colspan=1 rowspan=1 > Competition </th><th colspan=1 rowspan=1 > Venue </th><th colspan=1 rowspan=1 > Position </th><th colspan=1 rowspan=1 > Event </th></tr>
<tr> <th colspan=6 rowspan=1 > Representing Ivory Coast </th></tr>
<tr> <td colspan=1 rowspan=3 > 1983 </td><td colspan=1 rowspan=3 > World Championships </td><td colspan=1 rowspan=3 > Helsinki, Finland </td><td colspan=1 rowspan=1 > 5th (quarter-final) </td><td colspan=1 rowspan=1 > 400 m </td></tr>
<tr> <td colspan=1 rowspan=1 > 5th (heats) </td><td colspan=1 rowspan=1 > 4 × 100 m relay </td></tr>
<tr> <td colspan=1 rowspan=1 > 7th (heats) </td><td colspan=1 rowspan=1 > 4 × 400 m relay </td></tr>
<tr> <td colspan=1 rowspan=3 > 1984 </td><td colspan=1 rowspan=1 > African Championships </td><td colspan=1 rowspan=1 > Rabat, Morocco </td><td colspan=1 rowspan=1 > 1st </td><td colspan=1 rowspan=1 > 400 m </td></tr>
<tr> <td colspan=1 rowspan=2 > Olympic Games </td><td colspan=1 rowspan=2 > Los Angeles, California </td><td colspan=1 rowspan=1 > 2nd </td><td colspan=1 rowspan=1 > 400 m </td></tr>
<tr> <td colspan=1 rowspan=1 > 6th (semi-finals) </td><td colspan=1 rowspan=1 > 4 × 400 m relay </td></tr>
<tr> <td colspan=1 rowspan=1 > 1985 </td><td colspan=1 rowspan=1 > African Championships </td><td colspan=1 rowspan=1 > Cairo, Egypt </td><td colspan=1 rowspan=1 > 2nd </td><td colspan=1 rowspan=1 > 400 m </td></tr>
<tr> <td colspan=1 rowspan=1 > 1987 </td><td colspan=1 rowspan=1 > World Championships </td><td colspan=1 rowspan=1 > Rome, Italy </td><td colspan=1 rowspan=1 > 7th </td><td colspan=1 rowspan=1 > 400 m </td></tr>
<tr> <td colspan=1 rowspan=3 > 1988 </td><td colspan=1 rowspan=1 > African Championships </td><td colspan=1 rowspan=1 > Annaba, Algeria </td><td colspan=1 rowspan=1 > 2nd </td><td colspan=1 rowspan=1 > 400 m </td></tr>
<tr> <td colspan=1 rowspan=2 > Summer Olympics </td><td colspan=1 rowspan=2 > Seoul, South Korea </td><td colspan=1 rowspan=1 > 5th (quarter-finals) </td><td colspan=1 rowspan=1 > 400 m </td></tr>
<tr> <td colspan=1 rowspan=1 > 6th (semi-finals) </td><td colspan=1 rowspan=1 > 4 × 400 m relay </td></tr>
<tr> <td class="highlighted"  colspan=1 rowspan=3 > 1989 </td><td class="highlighted"  colspan=1 rowspan=1 > African Championships </td><td colspan=1 rowspan=1 > Lagos, Nigeria </td><td class="highlighted"  colspan=1 rowspan=1 > 1st </td><td class="highlighted"  colspan=1 rowspan=1 > 400 m </td></tr>
<tr> <td colspan=1 rowspan=1 > IAAF World Cup </td><td colspan=1 rowspan=1 > Barcelona, Spain </td><td colspan=1 rowspan=1 > 3rd </td><td colspan=1 rowspan=1 > 400 m </td></tr>
<tr> <td class="highlighted"  colspan=1 rowspan=1 > Jeux de la Francophonie </td><td colspan=1 rowspan=1 > Casablanca, Morocco </td><td class="highlighted"  colspan=1 rowspan=1 > 1st </td><td class="highlighted"  colspan=1 rowspan=1 > 400m </td></tr>
</table>
Question:
In what year did Gabriel Tiacoh earn first place in two 400 meters races, and what were the competitions?
Answer:
In 1989, Gabriel Tiacoh gained the 400 m African title at the 1989 African Championships in Athletics and won a gold medal at the first Jeux de la Francophonie.