The Anglo-Saxon Chronicle is a collection of annals that chronicles the history of the Anglo-Saxons in England. It was first compiled in the late 9th century during the reign of King Alfred the Great. The Chronicle provides a year-by-year account of significant events, including battles, royal successes, and social changes. Written in Old English, the Chronicle exists in several versions, with the most complete being the one from Winchester. It serves as a vital historical source, offering insights into the culture, politics, and daily life of the Anglo-Saxon period, spanning from the 5th century to the 12th century.