Cannabis Indica October 12, 2016October 12, 2016 thcscience_admin 17691770177117721773179318131814182618371847 1740s1750s1760s1770s1780s1790s1800s1810s1820s1830s1840s Pages in category "1793 disease outbreaks" This category contains only the following page. This list may not reflect recent changes. Y 1793 Philadelphia yellow fever epidemic