Cannabis Sativa October 12, 2016October 12, 2016 thcscience_admin This category is for topics specifically related to the year 311 BC. 316315314313312311 BC310309308307306 360s350s340s330s320s310s300s290s280s270s260s Subcategories This category has only the following subcategory. D 311 BC deaths (1 P) Pages in category "311 BC" The following 6 pages are in this category, out of 6 total. This list may not reflect recent changes. 311 BCB Battle of the Himera River (311 BC) Battle of the TigrisF First Siege of Babylon (311 BC)S Seleucid era Siege of Syracuse (311–309 BC)