MCXXIX

MCXXIX is the Roman numeral representation of the number 1129. This numeral is constructed using standard Roman numeral symbols: M for 1000, C for 100, X for 10, and IX for 9. The value is derived by adding the values of the symbols from left to right, with the exception of IX, which is a subtractive notation where I (1) precedes X (10), indicating 10 - 1 = 9. Therefore, M (1000) + C (100) + X (10) + IX (9) equals 1129.

The year 1129 AD falls within the High Middle Ages. This period was characterized by significant developments in Europe, including the growth of towns, the flourishing of universities, and the continuation of the Crusades. In England, the reign of King Stephen began in 1135, marking a period of civil war known as The Anarchy, though events in 1129 were part of the preceding era. Across the continent, various kingdoms and principalities were solidifying their power structures and engaging in complex political and religious affairs. The cultural and intellectual landscape was also evolving, with monastic learning and the beginnings of Gothic architecture shaping the artistic output of the time. The historical significance of the year 1129 is often assessed in the context of these broader medieval trends.