The little ice age started before Europeans showed up:<p>&gt; &quot;cold summers and ice growth began abruptly between 1275 and 1300, followed by &quot;a substantial intensification&quot; from 1430 to 1455&quot;<p><a href="https:&#x2F;&#x2F;en.wikipedia.org&#x2F;wiki&#x2F;Little_Ice_Age#Dating" rel="nofollow">https:&#x2F;&#x2F;en.wikipedia.org&#x2F;wiki&#x2F;Little_Ice_Age#Dating</a>