Following are a number of back-translations as well as a sample translation for translators of Psalm 78:43:

• Chichewa Contempary Chichewa translation, 2002/2016:
  “the day that He showed openly his miraculous signs in Egypt,
  his miracles in the region of Zoan.” (Source: Mawu a Mulungu mu Chichewa Chalero Back Translation)
• Newari:
  “They also forgot the miraculous signs
  that he showed in the place in Egypt called Zoan.” (Source: Newari Back Translation)
• Hiligaynon:
  “and at the time when he performed/[lit. did] his miracles and awesome/marvelous deeds there at Zoan, in the land of Egipto.” (Source: Hiligaynon Back Translation)
• Laarim:
  “they did not remember the day he performed miracles in Egypt,
  and his word that amazed people in Zoan.” (Source: Laarim Back Translation)
• Nyakyusa-Ngonde (back-translation into Swahili):
  “Hawakukumbuka miujiza ambayo alifanya katika Misri,
  na miujiza ya katika tambarare ya Soani.” (Source: Nyakyusa Back Translation)
• English:
  “They forgot about when he performed many miracles
  in the area near Zoan city in Egypt.” (Source: Translation for Translators)