Napoleon was at Notre Dame when he took the crown from Pope Pius VII and placed it on his own head.

拿破仑是在圣母院从教皇庇护七世手中接过王冠，把它戴到了自己头上。

Pope Pius VII signed a concordat with Napoleon (whose troops controlled Rome) and traveled to Paris for his coronation as emperor in 1804.

教皇庇护七世与拿破仑(拿破仑的军队控制着罗马)签署了一份协约，并前往巴黎参加他加冕为帝的典礼。

Napoleon was at Notre Dame in 1804 when he took the crown from Pope Pius VII and placed it on his head by himself.

1804年，拿破仑在巴黎圣母院从教皇庇护七世手中接过王冠，自己戴在头上。

That was when Pius VII led the service for Pius VI, whose body returned to the Vatican after he died in 1799 in exile.

那是庇护七世为庇护六世主持的葬礼，庇护六世于1799年在流亡中去世，他的遗体被运回梵蒂冈。