| 25.1.1879 | Born in Berlin, daughter of Harry Bresslau and Caroline Isay |
| 1890 | Moves to Strasbourg, where the father works as professor in Ordinary for medieval history |
| 1898 | Final tests as professor for higher daughters schools |
| 1898 | Helene Bresslau meets Albert Schweitzer on a marriage of a mutual friend |
| 1900 | Beginning of the study of history and history of art |
| 3.22.1902 | Beginning of the intensive friendship with Schweitzer |
| 1902/3 | Stay in England, works as a teacher and governess, and as a translator of Russian |
| 1904 | A three month study in nursing, then stays for several month with her parents in Hamburg, occupied with philosophy and theology. |
| 1905 - 1909 | First inspector of the orphanage of Strasbourg |
| 1905 | Schweitzer tells her of his decision to go to Africa as a physician |
| 1908 | Foundation of a home for fallen girls |
| 1909 | Helene begins an apprenticeship as a nurse in Frankfort/Main |
| 18.6.1912 | Marriage with Albert Schweitzer |
| 26.3.1913 | Departure for Lambaréné |
| 1913 - 1917 | Working at the first hospital with Schweitzer |
| Sept. 1917 | Repatriation as internee to France, in bad health |
| 14.1.1919 | Birth of the daughter Rhena on Schweitzer's 44. birthday |
| 1922 | Outbreak of the tuberculosis, preventing her return to Lambaréné |
| from 1924 | Living at Königsfeld, Black Forest, where Albert Schweitzer built a house |
| 1929 | Voyage to Lambaréné with Albert Schweitzer. Heavy shivering fits force her to return to Europe |
| Aug. 1930 | Nine months in the sanitarium of Dr. Max Gerson in Kassel |
| Sept. 1932 | Moved to Lausanne, because of her Jewish origin. |
| 1937 | Moved with Rhena to New York |
| 1935 | Promotion tour in America together with her daughter Rhena in support of the Lambaréné hospital. Thanks to her, America knew the hospital and sent medicines during the war. |
| June 1940 | Flight from Paris with the family of Rhena to the free south of France |
| 1941 | Reaches Lambaréné by a very adventurous route through Portugal and Angola to stay at her husband's side throughout the war. |
| 1946 | Return to Europe |
| 1949 | Accompanies Albert Schweitzer to the USA for his commemorative speech for the 200. anniversary of Goethe birth. |
| 1954 | Accompanies Schweitzer to Oslo to accept the Noble Peace Price |
| 1956-1957 | Last visit to Lambaréné |
| 1.6.1957 | Helene Schweitzer-Bresslau died in Zurich. Her ashes are buried in Lambaréné. |