2006
January

January 6  Oleg Khintsagov is apprehended in Georgia with 100 grams of highly-enriched uranium (HEU) smuggled from the North Ossetian region of Russia. It was a sample for a HEU deal with an “Islamist extremist” group. Afterwards, the IAEA conducts secret investigation to missing nuclear components in the former Soviet Union.
January 23  Alexander Litvinenko and Andrei Lugovoy, who knew each other in the Russian secret service, renew their acquaintanceship at Boris Berezovsky’s gala birthday party in London. Afterwards, they form a joint venture to charge foreign companies for Russian data and security services.

April
Lugovoy provides Litvinenko with reports that purportedly had come from the FSB. Litvinenko tells Yulia Svetlichnaya, a 33-year old friend, that he expects people might pay $10,000 not to have these reports published.

May
Litvinenko sends a sample of these reports on a CD-ROM to Evgeny Limarev, the son of a KGB general, who runs an anti-Putin website in France which receives financing from Berezovsky’s foundation. After evaluating them, Limarev tells Litvinenko that the material came from economic analyses in the public domain, not secret FSB reports.

July-August
The joint venture proceeds with Litvinenko offering the data supplied to Lugovoy to Raven International Security Consulting (RISC), a subsidiary of the Gibraltar Group Menatep, a private bank which is suing Russia in international courts to recover $28 billion from the expropriation of Yukos Oil, which it had controlled. According to Lugovoy, Litvinenko would take 20 percent off the top in cash as the money flowed.
In late July, while his wife is away, Litvinenko arranges for Lugovoy to meet him at his townhouse in Muswell Hill in north London. To help defray his travel expenses, Litvinenko gives him a SIM card to make phone calls in Britain and a credit card. They also sign documents concerning their business, which Lugovoy takes back to Moscow.

September

Litvinenko flies to Israel, where he sees Leonid Nevzlin, a principal in the Menatep Group and former co-owner of Yukos oil.

October

October 12   Litvinenko, who defected from Russia in 2000, received British citizenship.
October 15-18   Lugovoy returns to London with an associate, Dimtry Kovtun for further meetings with Litvinenko on October 15th, 16th, and 17th. Litvinenko accompanies them to the offices of Raven International and a second possible client, Erinys International, which provides body guards for oil companies and other corporate clients. Lugovoy and Kovtun stay at the Parkes Hotel in Knightsbridge until October 18, when they return on British Airway to Moscow on October 18th.
October 28  Kovtun flies from Moscow to Hamburg to renew his German residence permit, then goes to London on October 31st.
Lugovoy meanwhile returns to London and sees Berezovsky at his offices to discuss protecting individuals in Moscow. He also goes with
Litvinenko to Hey Jo, a lap dancing club.

October 31  Scaramella arrives in London (Evening)

November

November 1   Litvinenko lunch at the Itsu Sushi restaurant for lunch with Mario Scaramella, who had just arrived from Italy. Afterwards, at about 5 p.m., he meets Lugovoy and Kovtun for tea at to the Pine Bar the Millennium Hotel. At about 6pm ,Litvinenko goes to Berezovsky’s Mayfair office to use a fax machine. He is then driven home by the Chechen leader Akhmed Zakayev.
November 2   Litvinenko cancels a meeting with Lugovoy because he is ill.

November 4   Litvinenko is admitted to  nearby Barnet General Hospital in North London and given antibiotics to treat food poisoning. Meanwhile, Lugovoy and Kovtun have returned to Moscow.

November 11  Litvinenko tells BBC Russian service that he is a victim of a "serious poisoning."
November 13  The toxicologist diagnoses Litvinenko’s problem as Thallium poisoning.
November 15   The police open their investigation. Litvinenko meanwhile is given the antidote for Thallium, Prussian Blue.
November 17   Litvinenko is moved to University College Hospital under police guard. His condition is critical. His associates arrange interviews with the press.
November 19  British press reports Litvinenko is the victim of Thallium poisoning.

November 20   Litvinenko enters intensive care. His associates release morbid photos of him to the press.  In Moscow. meanwhile, Lugovoy and Kovtun go to British Embassy and provide written statements.

Scotland Yard announces poisoning is under investigation by its counterterrorism unit.

November 21 A toxicologist again mis-diagnoses Litvineko's problem.  This time as "radioactive Thallium."
November 22  Litvinenko suffers a near fatal heart attack. Doctors conclude that the two previous Thallium diagnosis were wrong.  His urine is sent to the the British nuclear radiation lab.

Meanwhile, in Rome, Scaramella tells press he and Litvinenko were on KGB "death list."
November 23   At 7:30 pm, doctors lear that Polonium 210 is  the poison in Litvinenko. At 9:21 pm, Litvinenko dies.

November 24 Alex Goldfarb reads Litvinenko's death bed statement accusing Putin.
November 25 Tests begin on people and places in contact with Litvinenko to determine if they have traces of Polonium 210.

November 29 Inquest is opened--and suspended.

December

December 1   An autopsy examination is conducted. The doctors find that there were at least two different times that litvinenko ingested specks of Polonium 210.
In Rome, Scaramella tests positive for Polonium 210.
December 4   Radiation specialists begin a methodical investigation of the possible crime sites. In Moscow, Lugovoy and Kovtun are hospitalized and found to be contaminated with Polonium 210.

British detectives arrive in Moscow.
December 5   Russia's prosecutor general Yuri Chaika says he will not extradite suspects in the poisoning of Litvinenko to Britain.
December 7   Litvinenko’s funeral takes place in London.
December 8   Radiation traces of Polonium 210 are found on a document that Kovtun signed on October 28th in Hamburg.
                   2007
May

May 22 British prosecutors ask Russia to extradite Lugovoy so he can be tried for the murder of Litvinenko. It is a pro forma request unaccompanied by a Coroner’s report or evidence.

July

July 10  Russia formally turns down the extradition request for Lugovoy.