Rosetta Stone found, but later Egyptologists, including Wallis Budge, used these other copies to refine the reconstruction of the hieroglyphs that must have been used in the lost portions of the hieroglyphic text on the Rosetta Stone. Napoleon's 1798 campaign in Egypt came at (and helped cause) the beginning of a burst of Egyptomania in Europe, and especially France. A corps of 167 technical experts ("savants"), known as the "Commission des Sciences et des Arts", accompanied the French expeditionary army to Egypt. On 1799, French soldiers under the command of Colonel d'Hautpoul were strengthening the defences of Fort Julien, a couple of
Rosetta Stone (software) German, Spanish). A CD-ROM product called The Rosetta Stone PowerPac featured introductory versions of seven of the courses. At this time, Fairfield Language Technologies had already begun development of the Arabic, Esperanto, Hebrew, Indonesian, Japanese, Korean, Swahili, Thai, and Vietnamese courses. Within a few months, the Japanese, Thai, and Vietnamese courses were complete, and development of Latin, Polish, and Welsh courses were underway. The Latin course was the next to be completed, followed by Hebrew. In this fashion, Fairfield introduced new courses to market gradually. Rosetta Stone Version 1 was developed for Macintosh System 6 and higher, and Windows 3.0