Conversation so far:
How was Kumar Sangakkara's time as a vice-captain?
When Sri Lanka toured Bangladesh in February 2006 regular captain Marvan Atapattu was injured and Mahela Jayawardene became captain while Kumar Sangakkara was made vice-captain.
Did the regular captain Marvin Atapattu ever come back after his injury in 2006?
The pair had only expected to hold the positions on an interim basis, but extended into a third series as Marvin Atapattu failed to recover in time to tour England.
How well did Kumar Sangakkara do his job as a vice-captain?
In July 2006, Kumar Sangakkara made his second-highest Test score to-date (287) against South Africa.
What else happened after Kumar Sangakkara made his second-highest Test score to-date against South Africa in July 2006?
In a record-breaking partnership with Mahela Jayawardene, Kumar Sangakkara set up the world record for the highset partnership in Test cricket—624 runs—in this match.
Are there any other interesting aspects about the Kumar Sangakkara article besides what happened in 2006?
On 6 December 2007 Kumar Sangakkara made it to the top spot of ICC Test player rankings with a rating of 938.

Question: Was he the only one that made it to the top?
Self-contained rewrite: Was Kumar Sangakkara the only one that made it to the top spot of ICC Test player ranking on 6 December 2007?