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:
Dietmar Haaf
Table title:
International competitions
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 > Notes </th></tr>
<tr> <th colspan=5 rowspan=1 > Representing West Germany </th></tr>
<tr> <td colspan=1 rowspan=2 > 1986 </td><td colspan=1 rowspan=1 > World Junior Championships </td><td colspan=1 rowspan=1 > Athens, Greece </td><td colspan=1 rowspan=1 > 1st </td><td colspan=1 rowspan=1 > 7.93 m (wind: +0.7 m/s) </td></tr>
<tr> <td colspan=1 rowspan=1 > European Championships </td><td colspan=1 rowspan=1 > Stuttgart, West Germany </td><td colspan=1 rowspan=1 > 10th </td><td colspan=1 rowspan=1 > 7.48 m (wind: -1.1 m/s) </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 > 26th (q) </td><td colspan=1 rowspan=1 > 7.51 m </td></tr>
<tr> <td colspan=1 rowspan=1 > 1988 </td><td colspan=1 rowspan=1 > European Indoor Championships </td><td colspan=1 rowspan=1 > Budapest, Hungary </td><td colspan=1 rowspan=1 > 5th </td><td colspan=1 rowspan=1 > 7.79 m </td></tr>
<tr> <td colspan=1 rowspan=2 > 1989 </td><td colspan=1 rowspan=1 > European Indoor Championships </td><td colspan=1 rowspan=1 > The Hague, Netherlands </td><td colspan=1 rowspan=1 > 5th </td><td colspan=1 rowspan=1 > 7.96 m </td></tr>
<tr> <td colspan=1 rowspan=1 > World Indoor Championships </td><td colspan=1 rowspan=1 > Budapest, Hungary </td><td colspan=1 rowspan=1 > 2nd </td><td colspan=1 rowspan=1 > 8.17 m </td></tr>
<tr> <td class="highlighted"  colspan=1 rowspan=2 > 1990 </td><td colspan=1 rowspan=1 > European Indoor Championships </td><td colspan=1 rowspan=1 > Glasgow, United Kingdom </td><td colspan=1 rowspan=1 > 1st </td><td colspan=1 rowspan=1 > 8.11 m </td></tr>
<tr> <td class="highlighted"  colspan=1 rowspan=1 > European Championships </td><td class="highlighted"  colspan=1 rowspan=1 > Split, Yugoslavia </td><td class="highlighted"  colspan=1 rowspan=1 > 1st </td><td class="highlighted"  colspan=1 rowspan=1 > 8.25 m (wind: 0.0 m/s) PB </td></tr>
<tr> <th colspan=5 rowspan=1 > Representing Germany </th></tr>
<tr> <td colspan=1 rowspan=2 > 1991 </td><td colspan=1 rowspan=1 > World Indoor Championships </td><td colspan=1 rowspan=1 > Seville, Spain </td><td colspan=1 rowspan=1 > 1st </td><td colspan=1 rowspan=1 > 8.15 m </td></tr>
<tr> <td colspan=1 rowspan=1 > World Championships </td><td colspan=1 rowspan=1 > Tokyo, Japan </td><td colspan=1 rowspan=1 > 4th </td><td colspan=1 rowspan=1 > 8.22 m </td></tr>
<tr> <td colspan=1 rowspan=2 > 1992 </td><td colspan=1 rowspan=1 > European Indoor Championships </td><td colspan=1 rowspan=1 > Genoa, Italy </td><td colspan=1 rowspan=1 > 13th </td><td colspan=1 rowspan=1 > 7.69 m </td></tr>
<tr> <td colspan=1 rowspan=1 > Olympic Games </td><td colspan=1 rowspan=1 > Barcelona, Spain </td><td colspan=1 rowspan=1 > 14th (q) </td><td colspan=1 rowspan=1 > 7.85 m </td></tr>
<tr> <td colspan=1 rowspan=2 > 1994 </td><td colspan=1 rowspan=1 > European Indoor Championships </td><td colspan=1 rowspan=1 > Paris, France </td><td colspan=1 rowspan=1 > 1st </td><td colspan=1 rowspan=1 > 8.15 m </td></tr>
<tr> <td colspan=1 rowspan=1 > European Championships </td><td colspan=1 rowspan=1 > Helsinki, Finland </td><td colspan=1 rowspan=1 > 23rd (q) </td><td colspan=1 rowspan=1 > 7.55 m (wind: +0.3 m/s) </td></tr>
</table>
Question:
What did Dietmar Haaf achieve at the 1990 European Championships?
Answer:
Dietmar Haaf won the gold medal at the 1990 European Championships in Split, with a personal best of 8.25 metres.