1878 conclave
February 18–20, 1878 · Sistine Chapel
The papal conclave that followed the death of Pius IX and elected Cardinal Gioacchino Pecci, who took the name Leo XIII.
1878 conclaveFebruary 18–20, 1878 · Sistine Chapel
The papal conclave that followed the death of Pius IX and elected Cardinal Gioacchino Pecci, who took the name Leo XIII.
