Quran 18:12

ثُمَّ بَعَثۡنَـٰهُمۡ لِنَعۡلَمَ أَىُّ ٱلۡحِزۡبَيۡنِ أَحۡصَىٰ لِمَا لَبِثُوٓاْ أَمَدً۬ا ١٢

Then we resurrected them to see which of the two parties could count the duration of their stay therein.