Jiankang (549) — the same event in Book of Liang and Zizhi Tongjian
Book of Liang: Xiao Gang (Emperor Jianwen) ascended the throne.; Zizhi Tongjian: After Emperor Wu of Liang dies, Crown Prince Xiao Gang ascends…
What each source says
Xiao Gang (Emperor Jianwen) ascended the throne.
辛巳，卽皇帝位
Location: 卷4 太清三年 五月
After Emperor Wu of Liang dies, Crown Prince Xiao Gang ascends (Emperor Jianwen).
是日，太子即皇帝位，大赦
Location: 卷162
Place: 石頭城(建康)
Show on the map — open Book of Liang (Liangshu), Annals