Texas Society portalThis category is for organizations established in the decade 1450s. 1400s1410s1420s1430s1440s1450s1460s1470s1480s1490s1500s 10th11th12th13th14th15th16th17th18th19th20th See also: Category:Organizations disestablished in the 15th century Subcategories This category has only the following subcategory. R Religious organizations established in the 1450s (3 P)