major change

At the end of the 20th century the last major changes took place.

We may have to make a major change in what we're doing.

Three major changes came about as a result of the plan.

The most recent major change was between 1994 and 1998.

We are making major changes to our system with little of a real game plan in evidence.

The program will likely lead to major changes in many of the city's public high schools.

The set for the show has had two major changes over the years.

But major changes were made in the early 20th century.

We've gone through a major change of government since then.

They are likely to make major changes during the off season.