The official opening of <a href="https://en.wikipedia.org/wiki/Taipei_101" id="mwAYQ" rel="mw:WikiLink" title="Taipei 101">Taipei 101</a>, the <a class="mw-redirect" href="https://en.wikipedia.org/wiki/List_of_tallest_buildings_and_structures_in_the_world" id="mwAYU" rel="mw:WikiLink" title="List of tallest buildings and structures in the world">tallest</a> <a href="https://en.wikipedia.org/wiki/Skyscraper" id="mwAYY" rel="mw:WikiLink" title="Skyscraper">skyscraper</a> at that time in the world, standing at a height of <span about="#mwt103" data-mw='{"parts":[{"template":{"target":{"wt":"convert","href":"./Template:Convert"},"params":{"1":{"wt":"509"},"2":{"wt":"m"},"3":{"wt":"ft"}},"i":0}}]}' id="mwAYc" typeof="mw:Transclusion">509 metres (1,670</span><span about="#mwt103" typeof="mw:Entity"> </span><span about="#mwt103">ft)</span>.