During his reign, King Athelstan faced a number of challenges and events, including:

Military campaigns: Athelstan led several military campaigns to expand his kingdom, including the conquest of Northumbria, which brought the northern regions of England under his control. He also fought against the Welsh, the Scots, and the Norsemen to secure his borders.

Diplomatic relations: Athelstan established diplomatic ties with other European rulers and was able to form alliances through marriage and treaties.

Legal and administrative reforms: Athelstan introduced a number of legal and administrative reforms, including the codification of laws and the establishment of a system of government officials to maintain order and enforce the law.

Cultural and artistic patronage: Athelstan was a patron of the arts and scholarship, and he supported the development of monasteries and the translation of religious texts.

Succession: Athelstan had no direct heir, so his succession was uncertain. His half-brother, Edmund, succeeded him as king after his death in 939.

Viking invasions: Athelstan had to face Viking invasions which were a common occurrence during his reign, He was able to repel the invaders and secure his kingdom.

Battle of Brunanburh: Athelstan fought and won a major battle against the combined forces of the kings of Scotland, Strathclyde, and Dublin at Brunanburh in 937. This victory was significant for consolidating his power and prestige over the whole of Great Britain.

Overall, King Athelstan's reign was a time of great change and development for England, and his actions and decisions had a lasting impact on the country.