Category:Mass media franchises introduced in the 1770s 1720s1730s1740s1750s1760s1770s1780s1790s1800s1810s1820s 13th14th15th16th17th18th19th20th21st22nd23rd Subcategories This category has the following 7 subcategories, out of 7 total. 0–9 Mass media franchises introduced in 1770 (1 C) Mass media franchises introduced in 1774 (1 C) Mass media franchises introduced in 1776 (1 C) Mass media franchises introduced in 1777 (1 C) Mass media franchises introduced in 1778 (1 C) Mass media franchises introduced in 1779 (1 C)B Book series introduced in the 1770s (6 C)
