Legality of Cannabis by U.S. Jurisdiction History portalBiography portalPolitics portal 36th35th34th33rd32nd31st30th29th28th27th26th Subcategories This category has only the following subcategory. P 31st-century BC Pharaohs (6 P) Pages in category "31st-century BC monarchs" This category contains only the following page. This list may not reflect recent changes. List of state leaders in the 4th and 3rd millennia BC