Timeline reveals how decades of tension sparked Iran war

The Iran War seemed to start almost out of nowhere, but in fact there were signs a conflict was brewing back in December 2025, and the context for the conflict goes back decades. From the Iranian Revolution of 1979, through the discovery of Iran's nuclear programme in 2002, to the October 7 atrocities in 2023 and the fallout from that event, allow The Timeline to explain why America and Israel are now at war with Iran.