A surge of popular interest in anarchism occurred during the 1960s and 1970s.

Federal officials say that a surge in enrollments occurred in late December.

A surge occurred after the first Polish rebellion of 1831 but by 1850, they were still only about 5000 in number.

Such a surge will occur with a short circuit.

Curiosity levels remain high during these years, but it is not until adolescence that the main surge in sexual interest occurs.

The biggest surge in American homicides occurred after 1965, just as the first generation of children to grow up with television reached adolescence.

An earlier surge occurred three years ago, as the rates were about to go up.

But throughout the year, the feared inflationary surge did not occur.

A surge in these types of attractions has occurred within the last five years.

The annual surge in air travel usually occurs about June 1.