Expressions (phrases, clauses, etc.)
up through; up until; down to
as ~に至るまで
宣戦布告に至るまでの時期はこのような状況であったと言える。You can say that the circumstances were thus in the period leading up to the declaration of war. from ... to ... (e.g. from head to toe); everything from ... to ...
as ~から~に至るまで
Also written 至る迄【いたるまで】