+ Example 1: Table with header cells in the top row only 

         <table>
            <tr>
              <th>
                Date
              </th>
              <th>
                Event
              </th>
              <th>
                Venue
              </th>
            </tr>
            <tr>
              <td>
                12 Feb
              </td>
              <td>
                Waltz with Strauss
              </td>
              <td>
                Main Hall
              </td>
            </tr>
            <tr>
              <td>
                24 Mar
              </td>
              <td>
                The Obelisks
              </td>
              <td>
                West Wing
              </td>
            </tr>
            <tr>
              <td>
                14 Apr
              </td>
              <td>
                The What
              </td>
              <td>
                Main Hall
              </td>
            </tr>
          </table>