The attacks of September 11,2001 were preceded by attacks in 1998 on American ambassador in tanzania and?

They were preceded by the attacks on American embassies in Nairobi, Kenya and Dar es Salaam in Tanzania. There were two hundred and twelve deaths in the Kenyan embassy and eleven deaths in the Tanzanian embassy. They were mainly simultaneous truck bombs The attacks both happened on the same date: 7th of August 1998. There were also 4,000 non-fatal injuries.