Everyone was relieved the race went without any significant incident in such treacherous conditions.

What happened was an apparently significant incident, like all the rest.

However, at the air show held on opening day in 1959 there were two significant incidents.

The most significant incident of the race came on lap 58.

Despite the crowds, a strong police presence helped keep the downtown area free of any significant incidents.

There has not been a fire or any significant incident.

One significant incident took place on 22 February 1940.

No significant incident has been reported in the first few months of 2007.

I would say, Commissioner, that there has been no significant incident.

The vessel was again involved with significant incidents within six weeks.