July 10 3018

Gandalf imprisioned in Orthanc.

March 5 3019

Theoden reaches Isengard at noon. Parley with Saruman in Orthanc. Winged Nazgul passes over the camp at Dol Baran. Gandalf sets out with Peregrin for Minas Tirith. Frodo hides in sight of the Morannan, and leaves at dusk.

September 18 3018

Gandalf escapes from Orthanc in the early hours. The Black Riders cross the Fords of Isen.