<a href="https://en.wikipedia.org/wiki/Battle_of_Rain" id="mwLA" rel="mw:WikiLink" title="Battle of Rain">Battle of Rain</a>: <a href="https://en.wikipedia.org/wiki/Sweden" id="mwLQ" rel="mw:WikiLink" title="Sweden">Swedes</a> under <a class="mw-redirect" href="https://en.wikipedia.org/wiki/Gustavus_Adolphus_of_Sweden" id="mwLg" rel="mw:WikiLink" title="Gustavus Adolphus of Sweden">Gustavus Adolphus</a> defeat the <a href="https://en.wikipedia.org/wiki/Holy_Roman_Empire" id="mwLw" rel="mw:WikiLink" title="Holy Roman Empire">Holy Roman Empire</a> during the <a href="https://en.wikipedia.org/wiki/Thirty_Years'_War" id="mwMA" rel="mw:WikiLink" title="Thirty Years' War">Thirty Years' War</a>.<sup about="#mwt33" class="mw-ref reference" data-mw='{"name":"ref","attrs":{},"body":{"id":"mw-reference-text-cite_note-4"}}' id="cite_ref-4" rel="dc:references" typeof="mw:Extension/ref"><a href="./April_15#cite_note-4" id="mwMQ" style="counter-reset: mw-Ref 4;"><span class="mw-reflink-text" id="mwMg">[4]</span></a></sup>
<span class="mw-reference-text" id="mw-reference-text-cite_note-4"><cite about="#mwt30" class="citation book cs1" id="CITEREFWatts2014">Watts, Tim J. (2014). "Lech River, Battle of (April 15, 1632)". In Zabecki, David T. (ed.). <a class="external text" href="https://books.google.com/books?id=rCWMBQAAQBAJ" id="mwBv4" rel="mw:ExtLink nofollow"><i id="mwBv8">Germany at War: 400 years of Military History</i></a>. Santa Barbara, Calif.: ABC-CLIO. p.<span id="mwBwA" typeof="mw:Entity"> </span>745. <a class="mw-redirect" href="./ISBN_(identifier)" id="mwBwE" rel="mw:WikiLink" title="ISBN (identifier)">ISBN</a><span id="mwBwI" typeof="mw:Entity"> </span><a href="./Special:BookSources/9781598849806" id="mwBwM" rel="mw:WikiLink" title="Special:BookSources/9781598849806"><bdi id="mwBwQ">9781598849806</bdi></a>.</cite><span about="#mwt30" class="Z3988" id="mwBwU" title="ctx_ver=Z39.88-2004&amp;rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Abook&amp;rft.genre=bookitem&amp;rft.atitle=Lech+River%2C+Battle+of+%28April+15%2C+1632%29&amp;rft.btitle=Germany+at+War%3A+400+years+of+Military+History&amp;rft.place=Santa+Barbara%2C+Calif.&amp;rft.pages=745&amp;rft.pub=ABC-CLIO&amp;rft.date=2014&amp;rft.isbn=9781598849806&amp;rft.aulast=Watts&amp;rft.aufirst=Tim+J.&amp;rft_id=https%3A%2F%2Fbooks.google.com%2Fbooks%3Fid%3DrCWMBQAAQBAJ&amp;rfr_id=info%3Asid%2Fen.wikipedia.org%3AApril+15"></span></span>