Category
page 113th-century introductions
gargoyle
thumb|Gargoyles of Notre-Dame de Paris
thumb|Dragon-headed gargoyle of the Tallinn Town Hall, [[Estonia]]
thumb|Gargoyle of the Vasa Chapel at Wawel in [[Kraków, Poland]]
chapters and verses of the Bible
divisions of the Bible
Red Hand of Ulster
symbol used in heraldry to denote the Irish province of Ulster
Cistercian numerals
positional numeral system system developed by the Cistercian monastic order in the early 13th century with a single glyph indicating any integer from 1 to 9999
poleyn
thumb|Poleyn, 1555–60
The poleyn or genouillere was a component of Medieval and Renaissance armor that protected the knee. During the transition from mail armor to plate armor, this was among the earliest plate components to develop. They first appeared around 1230 and remained in use until 1650, when firearms made them obsolete.