JUN 16: As predicted by the Derby Telegraph's front page that morning, Transport Minister Theresa Villiers confirms German manufacturer Siemens has been selected as preferred bidder for the Thameslink contract.

JUN 17: The Derby Telegraph launches a campaign under the banner "An Industry Betrayed" to support Bombardier and its Derby workers.

JUN 18: Bombardier announces a full review of its UK operations.

JUN 20: The Government admits it did not take into account the impact on UK economy in awarding the Thameslink deal.

JUN 22: Ministers announce a probe into how other EU states award rail contracts to indigenous firms, despite procurement laws aimed at preventing protectionism.

JUN 23: Derby South MP Margaret Beckett and Amber Valley MP Nigel Mills call on Transport Secretary Philip Hammond to review the decision. He says he "does not have the power" to do so.

JUN 25: Derby North MP Chris Williamson takes to the streets collecting signatures for a petition.

JUN 28: As part of its UK review, Bombardier cancels the apprenticeships of 15 young people it was due to take on.

JUN 29: Shadow Transport Secretary Maria Eagle and Shadow Business Secretary John Denham visit Litchurch Lane to find out first-hand how serious missing out on Thameslink is.

JUN 30: The Derby Telegraph prints an open letter to Bombardier ahead of a visit to the firm's Berlin headquarters. (see Pages 4 and 5).

JUL 5: Bombardier announces it is to shed 1,429 workers at Litchurch Lane.

JUL 7: A Government-backed Economic Response Task Force is launched to help workers being made redundant but Derby City Council leader Philip Hickson says keeping train-making in Derby should take priority. Mr Williamson tables a parliamentary petition, urging the Government to review Thameslink.

JUL 9: Senior academic and procurement expert Chris Bovis, professor of European business law at the University of Hull, describes the Government's handling of the tendering process as "clumsy". Sir Alan Sugar expresses disbelief at the Government's decision.

JUL 12: Leader of the Unite union Len McCluskey visits Derby and tells the workforce he will fight to save their jobs.

JUL 13: Independent research by academics at Manchester University concludes Bombardier should be awarded the contract. Its authors claim it was put at a disadvantage from the moment the bidding process started because of Siemens' superior credit rating – a criteria that the Government insisted be included in each bid.

JUL 14: Prime Minister David Cameron is accused of "passing the buck" by suggesting a delegation from Derby meets with Business Secretary Vince Cable to discuss Bombardier. Mr Hickson had written to Mr Cameron four times asking for an urgent meeting.

JUL 15: The Derby Telegraph travels to Mr Cameron's Witney constituency to ask residents what they think of the decision. It finds his constituents are angry the contract went to Germany.

JUL 19: Mr Williamson hands over a 50,166-name petition (see Pages 4&5).

JUL 20: The Derby Telegraph reveals Bombardier workers are being courted by West Midlands car-maker Jaguar Land Rover.

JUL 21: Mr Cameron instructs his officials to see if they can bring forward any other rail contracts that could save jobs at Bombardier.

JUL 23: About 10,000 people take to the streets of Derby (see Pages 4&5).

JUL 26: Doubts are raised about Siemens' ability to carry out the Thameslink contract. It emerges that the German firm does not have a proven lightweight bogie (train carriage chassis) in production, whereas Bombardier does.

JUL 28: A Derby Telegraph investigation reveals the Government does have grounds to scrap its decision to hand Siemens the Thameslink contract because the German firm had been involved in worldwide corruption.

JUL 29: The Department for Transport issues a statement saying retendering would be too costly and would delay the work by up to three years.

AUG 1: On a visit to Derby, Vince Cable angers city leaders by saying there is nothing he can do.

AUG 6: Derby County players wear T-shirts to support the campaign (see Pages 4&5).

AUG 17: Leaders from the Unite and RMT union write to the Transport Secretary to ask why his department chose Siemens for the contract, despite the fact that it has not yet developed a lightweight bogie.

AUG 18: A national poll, commissioned by Derby City Council, finds more than two-thirds of the British public believe Thameslink should be reviewed.

AUG 20: In a letter to Mr Williamson, the Prime Minister says reviewing Thameslink "would not help Bombardier".

AUG 23: In a letter leaked to the Derby Telegraph, Mr Cable says changing the decision "could look like political pressure". In the letter to Mr Hickson, he says he and the Transport Secretary recognised there was a need to look afresh at the procurement process. Mr Hickson brands the letter "pathetic".

SEP 1: More than 200 Bombardier supporters attend a meeting in the city to discuss further protests.

SEP 3: Mr Williamson writes to every Conservative and Liberal Democrat MP calling on them to support a review of Thameslink.

SEP 6: City council leaders say they are prepared to use taxpayers' money to mount a legal challenge against the decision. The cost is put at £250,000. Meanwhile, research by the Unite union claims 831 firms would be forced to lay off 10,000 staff if Litchurch Lane closed.

SEP 7: Bombardier campaigners protest outside Parliament (see above right).

SEP 12: The Derby Telegraph reveals Litchurch Lane could be thrown a lifeline if it wins the £127 million eVoyager project. The deal involves converting an existing fleet of diesel Cross Country Voyager trains to use a hybrid electrical power system.

SEP 13: Derby councillors vote unanimously to help pay legal fees for a judicial review into Thameslink.

SEP 14: In a speech to the TUC congress in London, Labour leader Ed Miliband tells delegates Bombardier workers have been "sold down the river".

SEP 17: The Derby Telegraph reveals Bombardier is in the running to land a £188 million contract to supply 130 Electrostar carriages to Southern Railway. Meanwhile, Bombardier workers stage a protest at the Liberal Democrats' annual conference.

SEP 19: City leaders reveal they will be asking for more than £50 million from the Government's Regional Growth Fund to help the city bounce back from job losses at Bombardier and other large employers. Meanwhile, in his response to the 50,166-name petition, Mr Hammond says he cannot reverse the decision for legal reasons.

SEP 24: During a visit to Derbyshire, the Archbishop of Canterbury Dr Rowan Williams backs calls for a rethink on Thameslink.

SEP 26: Mr Denham tells Labour's annual conference the Government should risk the cost of legal action from Siemens and award the Thameslink deal to Bombardier. Meanwhile, Ms Eagle calls for the Government to hand over control of plans to buy £1 billion worth of Crossrail trains to another organisation.

OCT 2: Bombardier workers join a protest in Manchester at the Conservative annual conference and confront Mr Hammond.

OCT 3: Bombardier confirms fewer permanent staff will need to be made compulsorily redundant because of resignations and voluntary redundancies. The figure drops from 446 to 402.

OCT 6: East Midlands Euro MP Glenis Willmott asks the European Commission whether the UK Government could take into account social and economic factors, if it decides to review Thameslink.

OCT 12: Bombardier workers travel to Westminster again to contribute to a debate about the impact of it losing out on Thameslink. Meanwhile, the campaign is dealt a blow after the National Audit Office tells Pauline Latham that it does not intend to look into the Thameslink deal.

OCT 14: During a visit to Derby, Andrew Wolstenholme, chief executive of Crossrail – the next major government rail project – says he hopes a much of the work could be done in the UK.

OCT 15: Mr Hickson writes to Mr Hammond asking him if the Government could still stipulate that Siemens subcontracts part of the Thameslink work to Bombardier.

OCT 20: Following a Cabinet reshuffle, Justine Greening takes over as Transport Secretary. She immediately says there would be no review of Thameslink.

OCT 24: Mr Cameron writes to Chris Williamson saying he is "hopeful and confident" Bombardier will remain in the city.

NOV 1: Derby learns it is to receive £40 million from the Government's Regional Growth Fund to help it recover from job losses.

NOV 2: Transport Minister Mrs Villiers pulls out of the Derby and Derbyshire Rail Forum annual conference at the 11th hour to attend a planning inquiry in her Chipping Barnet constituency about "garden grabbing".

NOV 9: Mr Williamson lodges a Freedom of Information request asking whether ministers considered the increased costs of the Government pricing Thameslink in euros and not pounds.

NOV 14: Mrs Villiers honours her promise to come to Derby (see above).

NOV 18: Bombardier announces long-serving chairman Colin Walton will retire in February.

NOV 22: Bombardier supporters welcome reforms aiming to make it easier for British firms to win UK government contracts.

NOV 24: Mr Cameron visits Derbyshire to announce new jobs at Toyota and Nestle but does not visit Bombardier.

NOV 29: In his Autumn Statement, Chancellor George Osborne says the Government will "simplify" the procurement process and work closely with suppliers like Bombardier.

DEC 14: Unions and politicians express fears that Bombardier could face the same struggle when it comes to securing the Crossrail contract after the Government decides not to allow Transport for London to order the trains using public money.

DEC 16: The Transport Select Committee announces it will be asking the National Audit Office to investigate the Government's Thameslink decision (see above).

DEC 19: The number of MPs supporting Mr Williamson's Early Day Motion calling for a review of Thameslink rises to 70, including signatures from three Conservative MPs and four Liberal Democrats.

DEC 20: Local MPs back calls to exclude Siemens from bidding for the Crossrail contract because of previous corruption charges.

DEC 24: Ms Greening announces she is keen to push ahead with the £127 million eVoyager project (see above).

DEC 28: Bombardier wins £188million Southern contract (see above).

JAN 20: The Derby Telegraph reveals Bombardier has started recruiting again at Litchurch Lane. It advertises for 50 jobs, thought to be connected to the Southern contract win.

FEB 9: Bombardier gathers Litchurch Lane staff together for briefings at which they are told that the factory will remain open to 2014.