The remains of nearly 800 children were found in an unmarked mass grave at this home for unmarried mothers in Ireland.

Records show they died from malnutrition or infectious disease.

Now a campaign's underway in Tuam, County Galway, for their commemoration.

The people who found the remains in 1975 say they were shocked by the discovery.

(SOUNDBITE)(English) BARRY SWEENEY, ONE OF THOSE WHO FOUND GRAVE, SAYING:

"It was just a concrete slab. Myself and Francis were in here and we pulled it open, cracked it open, and there it was - skulls piled up on top of each other, maybe eight or nine feet deep, piled up."

The home was run by the Bons Secours nuns.

A representative from the Catholic Archdiocese of Tuam said it would be wrong to judge the past by today's standards.

(SOUNDBITE)(English) FATHER FINTAN MONAGHAN, REPRESENTATIVE OF THE ARCHDIOCESE OF TUAM, SAYING:

"I suppose we can't really judge the, I suppose, the past from our point o