это длилось

it lasted

→ это
phrase Rare #32,140
it lasted Used for saying that something continued for a period of time. The phrase is neutral and can refer to events, situations, or feelings that went on for some time.
RU: Это длилось шесть лет.
EN: It lasted six years.

И долго это длилось?

And how long did it last?

— Три цвета: Синий (1993)

Это длилось шесть лет.

This lasted for six years.

— Конформист (1971)

И это длилось шесть лет?..

And that went on for six years?..

— Конформист (1971)