The <a href="https://en.wikipedia.org/wiki/Tokyo_Metro_Ginza_Line" id="mwnQ" rel="mw:WikiLink" title="Tokyo Metro Ginza Line">Ginza Line</a>, the first <a href="https://en.wikipedia.org/wiki/Rapid_transit" id="mwng" rel="mw:WikiLink" title="Rapid transit">subway line</a> in Asia, opens in Tokyo, Japan.