cirvai lujvo

v1 is historical/a landmark/watershed in the history of c2, according to v2=c3, in aspect/for reason v3 (nu/ka).

Cf. cirmi'o.

In notes:

citri
x1 is a history of x2 according to x3 (person)/from point-of-view x3.
cirmi'o
m1 (person/object/event) is historical among community of persons m2 (mass).