It should be borne in mind that the events in question are by no means boring.

in 是介词，表示"在...之中"或"关于"。 question 是名词，意思是"问题"或"疑问"。 in question 是一个固定短语，意思是"正在被讨论的"或"相关的"，用来指代前面提到的事物。