FACTBOX - Financial crisis sparks unrest in Europe

(Reuters) - Hundreds of thousands of Greeks joined a nationwide 24-hour strike on Thursday to protest against the government's response to the economic crisis, disrupting transport and shutting down services.

Here are details on some major protests around Europe:

* denotes an updated item

* BRITAIN -- Police on Thursday detained 80 people suspected of violent attacks around the Bank of England in London, as new but peaceful protests were staged around the G20 summit.

-- Around 90 people were arrested on Wednesday evening after repeatedly clashing with police in the City. -- Trade unions, aid agencies, religious groups and environmentalists joined together in London on March 28 under the slogan "Put People First" to demand reform of the world's economy. Up to 35,000 people took part in the march.

-- British workers protested at power plants in late January against the use of foreign contractors on critical energy sites. They voted to end strikes on February 5 after French oil group Total agreed to hire more British workers at its Lindsey oil refinery.

CZECH REPUBLIC -- Thousands of farmers from the Czech Republic, Germany, Austria, Slovakia, Slovenia and Poland marched through Prague on March 12 to demand higher milk prices and subsidies to boost incomes hit by the economic crisis.

FRANCE -- On March 28 in Paris, a few hundred demonstrators protested under the slogan "We will not pay for their crisis."

-- Up to 3 million protesters took to the streets of France on March 19 in a second round of strikes called to denounce President Nicolas Sarkozy's handling of the economic crisis.