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Ignaz Semmelweis: Handwashing Pioneer & Savior of Mothers

Encyclopedia/1. The Cosmos & The Natural World/6. Medicine & Human Biology/07. Medical & Health Biographies  •  Curated by Admin Timeline.sg

Timeline of Hungarian physician Ignaz Semmelweis, who pioneered handwashing in obstetrics to prevent childbed fever, saving countless lives. His discovery was rejected by the medical establishment, leading to his tragic death in an asylum.

Chronological Storyline (42 Milestones)

Jul 1, 1818 CE

Born in Buda

Ignaz Philipp Semmelweis is born in Buda (now Budapest), Hungary, to a wealthy grocer family. #medicine #history

Born in Buda
Born in Buda
By József Borsos / Albert Doctor - Ágnes Szemerédi: A fényképészet úttörői, OSZK blog, 2022 [1], Public domain, https://commons.wikimedia.org/w/index.php?curid=123555011
1827 CE

Mother dies

His mother, Teréz Müller, dies when Ignaz is nine. Later, his father remarries. #history

1835 CE

Completes Gymnasium

Graduates from the Piarist Gymnasium in Buda. #education #history

1837 CE

Begins law studies

Enrolls in the Faculty of Law at the University of Vienna, following his father's wish. #education #history

Oct 1, 1839 CE

Switches to medicine

Abandons law and begins studying medicine at the University of Vienna. #medicine #education

1841 CE

Studies under Rokitansky and Škoda

Attends lectures of renowned pathologist Carl von Rokitansky and clinician Joseph Škoda, who influence his scientific thinking. #medicine #history

1842 CE

Demonstrator in pathology

Becomes demonstrator in pathological anatomy at the Vienna General Hospital, gaining hands-on experience with autopsies. #medicine #education

1843 CE

Passes first medical examination

Passes the first state examination in medicine, progressing towards his doctorate. #medicine #education

Apr 20, 1844 CE

Receives medical doctorate

Awarded Doctor of Medicine from the University of Vienna. #medicine #history

Jul 1, 1844 CE

Obtains master's degree in midwifery

Completes training in obstetrics, becoming a master midwife. #medicine #obstetrics

1845 CE

Deputy assistant in obstetrics

Works as deputy assistant in the First Obstetrical Clinic under Professor Klein. #medicine #career

Jul 1, 1846 CE

Appointed assistant in First Clinic

Becomes assistant in the First Obstetrical Clinic at the Vienna General Hospital, where mortality from childbed fever is notoriously high. #medicine #history

Mar 20, 1847 CE

Kolletschka dies from infection

His friend Jakob Kolletschka, a pathologist, dies after a scalpel wound during an autopsy. Semmelweis notes similar pathology to childbed fever. #medicine #discovery

May 15, 1847 CE

Introduces chlorinated lime handwashing

Orders medical staff to wash hands with a chlorinated lime solution before examining patients. Mortality in the First Clinic plummets. #handwashing #hygiene #medicine

Jun 1, 1847 CE

Mortality drops dramatically

Monthly mortality in the First Clinic drops from 18.3% to 2.2% after one month of handwashing protocol. #medicine #hygiene

Dec 1, 1847 CE

Publishes first report

His assistant, Franz von Hebra, publishes a report of Semmelweis's findings in the Wiener medizinische Wochenschrift. #publication #medicine

1848 CE

Mortality reaches lowest record

In 1848, the First Clinic's annual mortality falls to 1.27%, the lowest ever achieved. #medicine #success

1848 CE

Political involvement

During the 1848 revolutions, Semmelweis supports Hungarian national causes, but this does not affect his medical work significantly. #history #politics

Mar 20, 1849 CE

Not reappointed as assistant

His superior, Professor Johann Klein, refuses to reappoint Semmelweis, possibly due to personal and professional conflicts. #medicine #history

1849 CE

Leaves Vienna General Hospital

After his contract ends, Semmelweis leaves the hospital and returns to Budapest briefly. #medicine #career

May 15, 1850 CE

Delivers lecture to Vienna Medical Society

Presents his findings in a formal lecture, but the response is lukewarm and skeptical. #medicine #lecture

Oct 10, 1850 CE

Appointed Professor of Obstetrics in Pest

Accepts a position at the University of Pest, where he becomes Professor of Theoretical and Practical Obstetrics. #medicine #education

Mar 1, 1851 CE

Begins work at St. Rochus Hospital

Takes over the maternity department at St. Rochus Hospital in Pest, implementing strict handwashing and dramatically reducing deaths. #medicine #hygiene

1851 CE

Mortality at St. Rochus under 1%

Within a year, childbed fever mortality at St. Rochus drops to below 1% due to Semmelweis's protocols. #medicine #success

Jul 1, 1855 CE

Appointed full professor at University of Pest

Becomes professor of obstetrics at the University of Pest, where he continues his work. #medicine #education

Jan 1, 1856 CE

Publishes first Hungarian article

Publishes 'A gyermekágyi láz' (Childbed Fever) in Hungarian, presenting his ideas to the local medical community. #publication #medicine

May 1, 1857 CE

Marries Maria Weidenhoffer

Marries Maria Weidenhoffer, the daughter of a prosperous merchant. They have three children. #personal #history

Jun 1, 1858 CE

First child born

Son Ignac Jr. is born. Semmelweis becomes a father. #family #history

Dec 1, 1858 CE

Elected to Hungarian Academy

Elected corresponding member of the Hungarian Academy of Sciences, recognizing his contributions to obstetrics. #honor #medicine

1859 CE

Publishes defensive pamphlet

Publishes a pamphlet in Hungarian defending his theories against critics. #publication #medicine

Apr 1, 1860 CE

Second child born

Daughter Maria is born. #family #history

Apr 1, 1861 CE

Publishes magnum opus

Publishes 'Die Aetiologie, der Begriff und die Prophylaxis des Kindbettfiebers' (The Etiology, Concept, and Prophylaxis of Childbed Fever), his masterwork. #publication #medicine #childbedfever

May 1, 1861 CE

Book harshly criticized

Leading obstetricians, including Rudolf Virchow, dismiss Semmelweis's book as unscientific and stubborn. #medicine #rejection

Mar 1, 1862 CE

Open letter to Virchow

Sends an open letter to Rudolf Virchow, pleading for acceptance of his theory. #communication #medicine

Jul 1, 1862 CE

Open letter to Späth

Another open letter to Professor Franz Späth, defending his discoveries against criticism. #medicine #history

Jan 1, 1863 CE

Health begins to decline

Semmelweis shows signs of depression, possibly due to professional rejection and overwork. #health #history

1863 CE

Writes to Academy

Writes a desperate letter to the Hungarian Academy of Sciences, pleading for support. #communication #medicine

Mar 1, 1864 CE

Last public appearance

Makes a final public appearance at a medical conference, but his behavior is increasingly agitated. #medicine #history

Dec 1, 1864 CE

Nervous breakdown

Suffers a severe nervous breakdown, becoming increasingly erratic and difficult to manage. #health #history

Jul 30, 1865 CE

Committed to asylum

Tricked by his wife and colleagues into entering a private mental asylum in Döbling, Vienna, under false pretenses. #tragedy #history

Aug 13, 1865 CE

Dies from septic infection

Dies in the asylum, likely from sepsis caused by a wound on his hand—ironically, the same condition he fought against. #death #medicine

Aug 15, 1865 CE

Buried in Vienna

Buried at the Schmelz Cemetery in Vienna. Later exhumed and reburied in Budapest in 1894. #burial #history