Kammala wannan jumla: A 1984, The Dalles ya kasance wurin da aka yi wa 'yan wasan kwaikwayo.
wani harin ta'addanci da 'yan kungiyar Rajneesh Movement suka kaddamar a wani yunkuri na kwace iko da karamar hukumar Wasco County. Salmonella da aka sanya a gidajen abinci goma ya haifar da kamuwa da cutar Salmonellosis 751. Wannan shi ne karo na farko da aka san harin ta'addanci na karni na 20 a Amurka. Yanayin harin an rubuta su a cikin labarin Medicalungiyar Likitocin Amurka (JAMA Vol 278, No 5, shafi na 389, 6 Aug 1997).