On this day in 1834, the Ursuline Convent in Charlestown lay in ruins. The night before, a Protestant mob sacked it and burned it to the ground. The nuns who lived in the elegant building and their students at the female academy they ran were forced to flee for their lives. The rioters were mostly poor Yankee laborers who feared and hated Irish Catholic immigrants. While some of Boston's wealthiest Protestants sent their daughters to the Ursuline Academy, most Yankees harbored a deep prejudice against Catholics. Long suspicious of "popery," Protestant Boston was receptive to the malicious rumors that swirled about the convent. The convent burning was a prelude to the fierce anti-Catholicism that would greet the famine Irish who flooded into Boston a decade later.