18 February

18 February Persia Festival of Cultuvators Festival of Women It was also said that from then on on February 18 and September 28 of each lunar calendar year, a memorial ceremony for the comb and fined-toothed comb trade would be held for the founders, and practitioners could pray for flourishing future business. http://www1.chinaculture.org/library/2008-01/22/content_74068.htm