1.   In fact, he said, his solo appearance on Friday marked their first public act.

2.   The appearance will mark the first time Gates has taken the witness stand in the four-year-old case.

3.   The appearance of estradiol marks the beginning of the fertile period whereas the surge in LH indicates the end of the fertile phase.

4.   The court appearance marked the beginning of the prosecution of Botha.

5.   Their historic appearance together marked the first time two world leaders shared the podium at a joint session of Congress.

6.   Though their joint appearance marked an important thaw in their relations, Collins and Venter have not yet worked out all their differences.

7.   Associates to Pinochet had said his public appearance marked the beginning of a new, more active strategy in the face of his legal troubles.

8.   Her appearance marked the end of a ban imposed on women show jumpers on grounds it was unfair to expect them to compete with men.

9.   The appearance marked the first time the two had campaigned together in New York, where Clinton is making history as the first first lady to seek public office.

10.   The joint appearance marks another step in the difficult reconciliation between the European neighbors so many years later.