During the rush hour on July 7th, bombs were detonated in three crowded London subways and one bus. The suicide bombings killed 56 people including the bombers and injured another 700. It was the largest attack on Great Britain since World War II.
On September 25th, the IRA officially disarmed in front of independent weapons inspectors.
Bird flu spreads suddenly from Asia to Europe. Scientists estimate that as many as 150 million people could die in a few months.
Kyoto protocol on measures to control climate change comes into force.