<a href="https://en.wikipedia.org/wiki/Goguryeo–Sui_War#Course_of_the_war" id="mwEQ" rel="mw:WikiLink" title="Goguryeo–Sui War">Goguryeo-Sui War</a>: In response to a <a href="https://en.wikipedia.org/wiki/Goguryeo" id="mwEg" rel="mw:WikiLink" title="Goguryeo">Goguryeo</a> (Korean) incursion into Liaoxi, Emperor <a href="https://en.wikipedia.org/wiki/Emperor_Wen_of_Sui" id="mwEw" rel="mw:WikiLink" title="Emperor Wen of Sui">Wéndi</a> of <a href="https://en.wikipedia.org/wiki/Sui_dynasty" id="mwFA" rel="mw:WikiLink" title="Sui dynasty">Sui</a> orders his youngest son, <a href="https://en.wikipedia.org/wiki/Yang_Liang" id="mwFQ" rel="mw:WikiLink" title="Yang Liang">Yang Liang</a> (assisted by the co-prime minister <a href="https://en.wikipedia.org/wiki/Gao_Jiong" id="mwFg" rel="mw:WikiLink" title="Gao Jiong">Gao Jiong</a>), to conquer Goguryeo during the <a href="https://en.wikipedia.org/wiki/Manchuria" id="mwFw" rel="mw:WikiLink" title="Manchuria">Manchurian</a> rainy season, with a Chinese army and navy.<sup about="#mwt12" class="mw-ref reference" data-mw='{"name":"ref","attrs":{"name":"Samguk Sagi, Vol. 20"},"body":{"id":"mw-reference-text-cite_note-Samguk_Sagi,_Vol._20-1"}}' id="cite_ref-Samguk_Sagi,_Vol._20_1-0" rel="dc:references" typeof="mw:Extension/ref"><a href="./August_4#cite_note-Samguk_Sagi,_Vol._20-1" id="mwGA" style="counter-reset: mw-Ref 1;"><span class="mw-reflink-text" id="mwGQ">[1]</span></a></sup>