Princess Royal
... that in 1789 Spain seized the British sloop Princess Royal, nearly causing a war, then used the vessel to explore the Strait of Juan de Fuca, finding the San Juan Islands and the entrances to Puget Sound and the Strait of Georgia?
... that in 1789 <a href="./Spain" id="mwEmM" rel="mw:WikiLink" title="Spain">Spain</a> seized the <a href="./United_Kingdom" id="mwEmQ" rel="mw:WikiLink" title="United Kingdom">British</a> sloop <i id="mwEmU"><b id="mwEmY"><a class="mw-redirect" href="./Princess_Royal_(sloop)" id="mwEmc" rel="mw:WikiLink" title="Princess Royal (sloop)">Princess Royal</a></b></i>, nearly <a href="./Nootka_Convention" id="mwEmg" rel="mw:WikiLink" title="Nootka Convention">causing a war</a>, then used the vessel to explore the <a href="./Strait_of_Juan_de_Fuca" id="mwEmk" rel="mw:WikiLink" title="Strait of Juan de Fuca">Strait of Juan de Fuca</a>, finding the <a href="./San_Juan_Islands" id="mwEmo" rel="mw:WikiLink" title="San Juan Islands">San Juan Islands</a> and the entrances to <a href="./Puget_Sound" id="mwEms" rel="mw:WikiLink" title="Puget Sound">Puget Sound</a> and the <a href="./Strait_of_Georgia" id="mwEmw" rel="mw:WikiLink" title="Strait of Georgia">Strait of Georgia</a>?