1974 Houses of Parliament bombing

On 17 June 1974 the Provisional IRA bombed the British Houses of Parliament causing extensive damage and injuring eleven people. == Background == The Provisional IRA began a bombing campaign in England in March 1973 when they bombed the Old Bailey court house, injuring over 200 people.

Source: Wikipedia — 1974 Houses of Parliament bombing (CC BY-SA 4.0)