It was in the 20th century that national sovereignty really ruled the roost, and the E.U. was formed to cure that.

Ragtime was a fanfare for the 20th century.

Relinquishing apparent national sovereignty does not have to entail a loss of national sovereignty, but can actually be a benefit.

These violations of our national sovereignty have to stop,

Sex is the ersatz or substitute religion of the 20th Century.

I live in the 20th century. I have copper rivets on my jeans.