Note 1993 — Chapter IX · THE FALL OF THE ANGEVINS. 1199–1206.
Reading edition
Rog. Howden as above, p. 115. He says it was at Portmort, on the morrow of the treaty—i.e. according to his reckoning, on Tuesday, May 23. Rigord however (as above), p. 44, dates it “at the same place, on the Monday after [Ascension],” i.e. Gouleton, May 22. Hardy’s Itinerary, a. 2, shews John at La Roche-Andelys (Château-Gaillard) daily from May 17 to May 25. The places however are all close together.