On This Day

Pope Pius IX proclaims Immaculate Conception, makes Mary, free of Original Sin

Pope Pius IX (Italian: Pio IX; born Giovanni Maria Battista Pietro Pellegrino Isidoro Mastai-Ferretti; 13 May 1792 – 7 February 1878) was head of the Catholic Church from 1846 to 1878.

Pope Pius IX (Italian: Pio IX; born Giovanni Maria Battista Pietro Pellegrino Isidoro Mastai-Ferretti; 13 May 1792 – 7 February 1878) was head of the Catholic Church from 1846 to 1878. His reign of nearly 32 years is the longest verified of any pope in history and second only to Saint Peter according to Catholic tradition. He was notable for convoking the First Vatican Council in 1868 which defined the dogma of papal infallibility before taking a break in summer of 1870. The council never reconvened. At the same time, France started the Franco-Prussian War and removed the troops that protected the Papal States, which allowed the Capture of Rome by the Kingdom of Italy on 20 September 1870.

Historical Significance

Pope Pius IX (Italian: Pio IX; born Giovanni Maria Battista Pietro Pellegrino Isidoro Mastai-Ferretti; 13 May 1792 – 7 February 1878) was head of the Catholic Church from 1846 to 1878.

Events Before

  1. The first practical horse-drawn fire engine in the US enters service

    The first practical horse-drawn fire engine in the US enters service

  2. Giuseppe Verdi's opera "Il trovatore" (The Troubadour) premieres in Rome

    Il trovatore ('The Troubadour') is an opera in four acts by Giuseppe Verdi to an Italian libretto largely written by Salvadore Cammarano, based on the Spanish play El trovador (1836) by Antonio...

  3. Emperor and French President Napoleon III marries Eugenie de Montijo, Countess of Teba

    Eugénie de Montijo was Empress of the French from her marriage to Napoleon III on 30 January 1853 until he was overthrown on 4 September 1870.

  4. Piano company Steinway & Sons is founded by Heinrich Steinweg (later Henry Steinway) in New York City

    Steinway & Sons, also known as Steinway ( ), is a German-American piano company, founded in 1853 in New York City by German piano builder Heinrich Engelhard Steinweg (later known as Henry E.

  5. Giuseppe Verdi's opera "La Traviata" premieres at Teatro La Fenice in Venice, Italy

    La traviata is an opera in three acts by Giuseppe Verdi set to an Italian libretto by Francesco Maria Piave.

Events After

  1. British preacher and Salvation Army founder William Booth (26) weds British Salvation Army co-founder Catherine Mumford

    British preacher and Salvation Army founder William Booth (26) weds British Salvation Army co-founder Catherine Mumford (26) at Stockwell Green Congregational Church in Surrey, England

  2. Confederate General J.E.B. Stuart (22) weds Flora Cooke in Fort Riley, Kansas

    Confederate General J.E.B. Stuart (22) weds Flora Cooke in Fort Riley, Kansas

  3. Scottish explorer David Livingstone becomes the first European to see Mosi-oa-Tunya waterfall, which he christens as Vic

    Scottish explorer David Livingstone becomes the first European to see Mosi-oa-Tunya waterfall, which he christens as Victoria Falls, on the Zambezi River in Barotseland, Africa (now Zambia and Zimbabwe)

  4. Clipper "Guiding Star" disappears in Atlantic, 480 dead

    Clipper "Guiding Star" disappears in Atlantic, 480 dead

  5. First bridge over the Mississippi River in what is now Minneapolis, Minnesota, opens; today known as the Father Louis He

    First bridge over the Mississippi River in what is now Minneapolis, Minnesota, opens; today known as the Father Louis Hennepin Bridge

More from the 1850s

Frequently Asked Questions

What happened on December 8, 1854?
Pope Pius IX (Italian: Pio IX; born Giovanni Maria Battista Pietro Pellegrino Isidoro Mastai-Ferretti; 13 May 1792 – 7 February 1878) was head of the Catholic Church from 1846 to 1878. His reign of nearly 32 years is the longest verified of any pope in history and second only to Saint Peter according to Catholic tradition. He was notable for convoking the First Vatican Council in 1868 which defined the dogma of papal infallibility before taking a break in summer of 1870.
Why is Pope Pius IX proclaims Immaculate Conception, makes Mary, free of Original Sin significant?
Pope Pius IX (Italian: Pio IX; born Giovanni Maria Battista Pietro Pellegrino Isidoro Mastai-Ferretti; 13 May 1792 – 7 February 1878) was head of the Catholic Church from 1846 to 1878.

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