Aspects of 40's style have surfaced repeatedly in fashion over the years.

The issue has surfaced repeatedly as one of the most complicated and delicate facing the church.

Bush's name had repeatedly surfaced in the Nebraska scandal.

He is also a coach whose name has surfaced repeatedly in the Balco steroids scandal.

The military issue surfaced repeatedly at the march.

During the Renaissance, for example, it surfaced repeatedly albeit in somewhat garbled form.

The Mars Effect talk had surfaced repeatedly after that.

However, according to Twitter's research team, the topic that surfaced repeatedly, in different forms, was the Iranian elections.

This against-the-grain trait surfaced repeatedly in the ensuing decades.

The Lithuanian question surfaced repeatedly during his Midwest swing.