However, at first glance, it isn’t quite clear exactly howWar of the Rohirrimrelates to Gandalf.
Gandalf and the other Istari are said to have arrived in Middle-earth about 1000 years into the Third Age.
Yavanna created the Two Trees
Y.T.
1 - 1050
10,061
First Age (F.A.)
Elves awoke in Cuivienen
Y.T.
Last Alliance defeated Sauron
T.A.
2758 (the year of the Long Winter),providing a closer look at his whereabouts.
Thus,The Lord of the Rings: The War of the Rohirrimis satisfactorily lore-accurate with its Gandalf reference.
Set before the events of the original Lord of the Rings trilogy, The Lord of the Rings: The War of the Rohirrim is an animated action-adventure fantasy film that follows a King of Rohan named Helm Hammerhand. When his home comes under siege by Dunlendings, Hammerhand prepares himself and his allies to fight back against them, with the war leading to the eventual establishment of Helm’s Deep.