The February 23, 2005, French law on colonialism was an act passed by the Union for a Popular Movement conservative majority, which imposed on high-school teachers to teach the "positive values" of colonialism to their students. The law created a public uproar and opposition from the whole of the left-wing, and was finally repealed by president Jacques Chirac at the beginning of 2006, after accusations of historical revisionism from various teachers and historians, including Pierre Vidal-Naquet, Claude Liauzu, Olivier LeCour Grandmaison and Benjamin Stora. Its article 13 was also criticized as it supported former Organisation armée secrète militants