Following is the chronology of some key developments related to the landmark Indo-US nuclear deal. 2005 July 18: Prime Minister Manmohan Singh and US President George W Bush agree on a landmark civilian nuclear deal in Washington. 2006 March 2: India and the US sign the nuclear agreement during Bush's visit to New Delhi. July 28: The Left parties demand threadbare discussion on the issue in Parliament. November 16: US Congress passes the Indo-US nuclear deal. Dec 18: Bush signs a historic law allowing civilian nuclear trade with India. 2007 August 3: India, US unveil the 123 Agreement. August 13: Prime Minister Manmohan Singh makes a suo motu statement on the deal in Parliament. August 17: CPM general secretary Prakash Karat says that the 'honeymoon (with government) may be over but the marriage can go on'. 2008 September 4: UPA-Left committee to discuss nuclear deal set up. February 25: Left parties say the UPA would have to choose between the deal and its government's stability. March 3: Left parties warn of 'serious consequences' if the nuclear deal is operationalised. March 6: Left parties set a deadline asking the government to make it clear by March 15 whether it intended to proceed with the nuclear deal or drop it. March 7: CPI writes to the prime minister, warns of withdrawal of support if government goes ahead with the deal. March 14: CPI-M says the Left parties will not be responsible if the government falls over the nuclear deal. April 23: Government says it will seek the sense of the House on the 123 Agreement before it is taken up for ratification by the American Congress. June 17: Pranab Mukherjee meets Prakash Karat, asks the Left to allow the government to go ahead with IAEA safeguards agreement. June 30: Prime Minister says his government prepare to face Parliament before operationalising the deal. July 8: Left parties withdraw support to government. July 9: The draft India-specific safeguards accord with the IAEA circulated to IAEA'S Board of Governors for approval. July 10: Prime Minister calls for a vote of confidence in Parliament. July 14: The IAEA says it will meet on Aug 1 to consider the India-specific safeguards agreement. July 18: Foreign Secretary Shivshankar Menon briefs the IAEA Board of Governors and some NSG countries in Vienna on the safeguards agreement. July 22: Government is willing to look at "possible amendments" to the Atomic Energy Act to ensure that the country's strategic autonomy will never be compromised, says Prime Minister Singh. July 22: UPA government wins trust vote in the Lok Sabha. July 24: India dismisses warning by Pakistan that the deal will accelerate an atomic arms race in the sub-continent. July 24: India launches full blast lobbying among the 45-nation NSG for an exemption for nuclear commerce. July 25: IAEA secretariat briefs member states on India-specific safeguards agreement. Aug 1: IAEA Board of Governors adopts India-specific safeguards agreement unanimously.