The official birthday of the Madagascar project is June 11, 2006, when the project was first publicly announced. However, the initial work on the project (called RSF at the time) started sometime in early 2003, 10 years ago.
The age of a car is usually measured in miles, not years. Similarly, the age of an open-source project is best measured in the number of revisions and commits to the repository. Madagascar revision number 10,000 happened yesterday! The author of the anniversary revision, Professor William Symes from Rice University will receive a commemorative Madagascar stein. According to Ohloh, the number of commits to the Madagascar repository has increased by 63% in the last 12 months, and the number of contributors during the same period has increased from 21 to 27.