6 events the sources record for this year, grouped by region.
What happened
China (5)
In the third month of the 46th year, Shimanosukune is sent to the country of Tokujun (Nihon Shoki (Chronicles of Japan) 日本書紀 卷第九 神功紀 46年 단락31)tradition
When Guanqiu Jian, governor of Youzhou of Wei, invaded, the king fought with twenty thousand infantry and cavalry above the Biryu River and killed more than three thousand. (Samguk Sagi (History of the Three Kingdoms) 卷17 東川王 20年)
In the second month of spring, Wu's Cavalry General Zhu Ran invaded Zhazhong, killed several thousand, plundered, and withdrew. (Zizhi Tongjian (Comprehensive Mirror) 卷075 246년 단락0 제1문)
Youzhou Governor Guanqiu Jian suppressed the invasion of Goguryeo King Wigung; Wigung was routed, and Guanqiu Jian at last slaughtered the Wandu and beheaded or captured several thousand. (Zizhi Tongjian (Comprehensive Mirror) 卷075 246년 단락1 제1문)
Southern Europe (1)
Philip marches out against the Carpi, who have plundered the Danube region, and fights them; when they, driven into a fort, regroup and counterattack, he accepts peace and withdraws. (Zosimus, New History Zos. 1 (1814 영역) p.13)