It is rung only on very significant national occasions.
Future historians of radio will see it as a most significant occasion.
St Paul's Cathedral has hosted many significant occasions in national and international history.
Obviously many look on it as a significant occasion which is very, very flattering'.
Following is the history leading up to this significant occasion in the history of Australian water reform.
"For this history has become a play, and we like to re-enact it on significant occasions."
Oath-friends and first mates-it was a significant occasion for them both.
He was somehow always rumpled, no matter how significant the occasion.
"Not at this length and not often but the eve of marriage is a rather significant occasion."
"good luck") is a phrase used to express congratulations for a happy and significant occasion or event.