Timeline
| Dates | Principle Events | Location | Major Works |
|---|---|---|---|
| 1926 April | Leaves for China with Pere Licent and Pere Lejay | ||
| 1926 November | Drafts treatise on spirituality | Tientsin | |
| 1926 December | Visited by Professor Alfred Lacroix of the Museum of Natural History | Peking | |
| 1927 May–July | Field trip with Licent | Dalai-Nor (Tari N.) | |
| 1929 February | Return to China via Jibuti and Ceylon | Le sens humain | |
| 1929 April | Accepts post as scientific adviser to Peking Geological Service Lives with Lazarist Fathers Works with Dr. Davidson Black and Dr. Wong Wen Hao at Chou-Kou-Tien |
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| 1929 December 2 | Pei-Wen-Chung, Director of Excavations at Chou-Kou-Tien, discovers the first Sinanthropus skull | Chou-Kou-Tien (with C.C. Young) | |
| 1930 February | Trip with Barbour | Shensi, Shansi | |
| 1930 May | Joins Chapman Andrews expedition | Mongolia, Gobi Desert | |
| 1931 January | Trip to USA to make arrangements for Citroen expedition | New York, Chicago | |
| 1931 February | Return to China via Hawaii and Japan | San Francisco | |
| 1931 May 8 | Joins expedition | Kalgan, Gobi Desert | |
| 1932 January 1 | With the Divine Word Fathers | Liangchow (Kansu) | |
| 1932 September | Return to France for four months | Paris | |
| 1933 February | Leaves for fifth journey to China | ||
| 1933 July | Trip to USA via Pacific route | San Francisco, Washington, New York | |
| 1933 July | Attends International Congress of Geology in Washington | ||
| 1934 May | Yangtze Expedition, and trip to Central Asia with Barbour | Yangtze, Hunan, Tsinling Mts. | |
| 1935 May | Return to France | Paris | |
| 1935 September | Departure for India to join Helmut de Terra | Red Sea, Kashmir | The Discovery of the Past (Vision of the past) |
| 1935 End of December | To Java at invitation of Von Koenigswald | Batavia, Bandung, Sangiran | |
| 1936 January | Return to China via Hong Kong and Shanghai | Peking | |
| 1937 February | Trip to USA across Pacific via Honolulu | Philadelphia | |
| 1937 April | Return to France via Atlantic route | New York | |
| 1937 August 6 | Leaves for China from Marseilles on board the D'Artagnan | Human Energy (Building the Earth) | |
| 1937 December | To Burma to join Helmut de Terra | Rangoon | |
| 1938 March | Arrival in Java with Helmut de Terra; stays with Von Koenigswald | Batavia, Bandung, Surakarta, Trinil, La Solo | |
| 1938 May | Return to China | Peking | |
| 1938 June | Begins The Phenomenon of Man | ||
| 1938 September | Leaves for USA via Pacific route | Vancouver, New York | |
| 1938 November | Returns to France via Atlantic route | Social Heredity and Progress (The Future of Man) |
