n.(全世界的)基督教徒，信奉基督教的国家

The influence of Christendom on Western art and architecture is immeasurable.
基督教对西方艺术和建筑的影响是无法估量的。
During the Middle Ages, Christendom was largely defined by its adherence to the teachings of the Catholic Church.
在中世纪，基督教会的教义在很大程度上定义了基督世界的特征。
The Crusades were a series of holy wars fought between Christendom and Muslim forces for control of the Holy Land.
十字军东征是基督世界与穆斯林力量之间为控制圣地而进行的一系列圣战。
The fall of Constantinople marked the end of the Byzantine Empire and a major shift in the balance of power within Christendom.
君士坦丁堡的陷落标志着拜占庭帝国的终结，并在基督世界内部造成了权力平衡的重大转移。
Many European universities, founded in the Middle Ages, were established with the aim of furthering the intellectual pursuits of Christendom.
许多中世纪成立的欧洲大学旨在促进基督世界的知识追求。
In the early days of Christendom, monasteries served as centers of learning and preservation of knowledge.
在基督教会早期，修道院作为学习和知识保存的中心。
The Reformation led to a significant fragmentation within Christendom, giving rise to Protestant denominations.
宗教改革导致基督世界内部的重大分裂，促成了新教派别的兴起。
The Council of Nicaea in 325 AD was a pivotal event in Christendom, establishing the orthodox belief in the Trinity.
公元325年的尼西亚大公会议是基督教会历史上的一个转折点，确立了三位一体的正统信仰。
Despite divisions, Christendom has shared core beliefs such as the divinity of Jesus Christ and the authority of sacred texts.
尽管存在分歧，基督世界仍共享核心信仰，如耶稣基督的神性和圣经的权威性。
The concept of chivalry, with its ideals of honor and service, developed in medieval Christendom.
骑士精神的概念，以其荣誉和服务的理想，在中世纪的基督世界中发展起来。