5 events the sources record for this year, grouped by region.
What happened
China (2)
From Songnyeong on the Northwest Route the walls are built eastward to block the enemy at the border (the beginning of the Great Wall of a thousand li). (Goryeosa (History of Goryeo) 世家 卷6 靖宗 元年)
Yuanhao leads his men in person to attack Maoniu fortress; unable to take it in a month, he feigns a desire for peace, has the gate opened, and then slaughters the garrison. (Xu Zizhi Tongjian (Continuation of the Comprehensive Mirror) 續資治通鑑 卷040 (1035년 조))
Southeast Asia (1)
Ái Châu rebelled; in the tenth month the emperor campaigned in person and arrived at Ái Châu. (Đại Việt sử ký toàn thư 本紀卷之二 「乙亥通瑞二年春二月，天慶殿前芝草」)
Western Europe (2)
King Cnut died at Shaftesbury and was buried in the Old Minster at Winchester; he had reigned for almost twenty years. (Anglo-Saxon Chronicle Giles/Ingram 1847 A.D. 1035 항 (pg657.txt 줄 5249))
At the council of nobles at Oxford, Leofric and the men north of the Thames chose Harold as regent, and Godwine opposed it to the end. (Anglo-Saxon Chronicle Giles/Ingram 1847 A.D. 1035 항 (pg657.txt 줄 5249))