Legality of Cannabis by U.S. Jurisdiction History portalOrganizations, places or other things abolished or disestablished in the decade 280s. 230s240s250s260s270s280s290s300s310s320s330s 3rd BC2nd BC1st BC1st2nd3rd4th5th6th7th8th See also: Category:280s establishments Subcategories This category has only the following subcategory. 0–9 280 disestablishments (1 P)