Here is the list of
Past Sede Vacante periods
1799 – 2005.
1799: Pius VI – Pius VII ~207 days (longest)
1823: Pius VII – Leo XII ~39 days
1829: Leo XII – Pius VIII ~49 days
1830: Pius VIII – Gregory XVI ~63 days
1846: Gregory XVI – Pius IX ~15 days
1878: Pius IX – Leo XIII ~13 days (shortest)
1903: Leo XIII – Pius X ~15 days
1914: Pius X – Benedict XV ~14 days
1922: Benedict XV – Pius XI ~15 days
1939: Pius XI – Pius XII ~20 days
1958: Pius XII – John XXIII ~19 days
1963: John XXIII – Paul VI ~18 days
1978: Paul VI – John Paul I ~20 days
1978: John Paul I – John Paul II ~18 days
2005: John Paul II – Benedict XVI ~17 days
2013: Benedict XVI – ~? days
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