The number 17 and particularly the date of 17th January appears to have a special significance in relation to Rennes-le-Château:
- 17th January 681 was the date Sigisbert IV was reputed to have arrived at Rennes-le-Château. He is the mysterious link in the Merovingian line who, as son of Dagobert II, would have been his heir and pretender to the throne of France
- 17th January 872 the lost body of Dagobert II was supposedly rediscovered
- 17th January 1329, Ste. Roseline died in Arcs, Provence
- 17th January 1601, Ste. Germaine died in Pibrac near Toulouse (at the age of 22)
- 17th January 1893 Monseigneur Billard, purchased Notre Dame de Marceille in Limoux
- 17th January 1967 Publishing date of Le Serpent Rouge
- 17th January Feast day of St. Sulpice
- 17th January Feast day of St. Anthony (he died 17th January 461, allegedly at the age of 105)
- 17th of January 1862, the Bishop presiding over the apparitions of Bernadette at Lourdes announced that the sightings were of divine origin
- 17th January a ray of light in the church of Rennes-le-Château passes through the stained glass window upon St. Anthony
- 17th January 1381 Nicolas Flamel allegedly produces silver out of mercury
- 17th January 1377, Pope Gregory XI reached Rome after leaving Avignon on 13 September 1376, ending the Babylonian Captivity
- 17th January 1781 Marie de Negre D’Ables died at the age of 67
- the number 17 is displayed on the tombstone of Abbé Jean Vié of Rennes-les-Bains, the predecessor of Henri Boudet. Although he died on 31st August 1872, the stone displays: Mort le 1er 7bre 1872. Summarizing: 17 Jean Vié, 17 Janvier, 17th January
- 17th January 1917 Marie Dénarnaud discovered Saunière prostrate on the Belvedere after a stroke
- 17th January 1975 Archduke Rodolphe of Habsbourg visited Rennes-le-Château
- One of the fundamental documents of the French Revolution, the Declaration of the Rights of Men and of the Citizen counts 17 articles
- the Sanctuary of Notre-Dame de Marceille was sold to 17th January 1893
according to my research
Elija in old Testament (1. Kings 17 to 2. Kings 2)
On January 17, 1871, our lady appeared to a group of children in Pontmain France, near Fougere, in response to prayers for deliverance from the Prussians in the Franco-Prussian war. The next day, January 18, the Prussian troops, who were in the area, were ordered to return to Paris. The war ended within days.