SAO PAULO, Oct 27 (Reuters) - Brazil’s central bank sold a total of $2.07 billion in dollar repurchase agreements and foreign currency swaps on Monday, helping the national currency strengthen more than 3 percent.

The bank also further eased reserve requirements on demand deposits, adding as much as 6 billion reais ($2.67 billion) to the country’s financial system in a bid to stoke domestic lending.

Following is a chronology of the actions the government and central bank have taken to confront the recent market turmoil:

Sept. 19: The central bank sells $500 million in dollar repurchase agreements in two separate auctions, the first sale of dollar repos since February 2003.

Sept. 24: The central bank raises the amount that banks can deduct from additional reserve requirements to 300 million reais from 100 million reais and postpones a planned increase of reserve requirements on leasing firms. The measures free up 13.2 billion reais for lending.

Sept. 29: The bank sells $527 million in reverse currency swaps, rolling over a small portion of similar paper coming due on Oct. 1.

Oct. 2: The central bank allows banks to deduct from reserve requirements the amount used to buy credit portfolios from small or mid-sized banks in distress. The move potentially frees up an additional 23.5 billion reais for lending.

Oct. 6: The bank offers dollar swap contracts for the first time in more than two years, selling $1.47 billion worth.

Oct. 6: The government gives the central bank the authority to acquire loan portfolios of small and mid-sized banks in distress. It also allows the central bank to extend loans in foreign currencies to local financial institutions.

Oct. 6: The central bank says it will buy an unspecified amount of dollar-denominated bonds from Brazilian banks to increase credit lines in dollars for exporters.

Oct. 8: The bank dips into its international reserves and sells dollars on the spot foreign exchange market for the first time in more than five years. It sells an unspecified amount of dollars in three auctions.

Oct. 8: The central bank increases the amount that banks can deduct from additional reserve requirements to 700 million reais from 300 million reais and cuts the percentage of additional reserve requirements that banks must deposit to 5 percent from 8 percent. The measures free up an additional 23.2 billion reais for lending.

Oct. 13: The central bank temporarily scraps reserve requirements on term and interbank deposits as well as additional reserve requirements on demand and term deposits. It also eases reserve requirements for leasing firms that buy dollar repos and raises the amount banks can deduct from additional reserve requirements to 1 billion reais from 700 million reais. The measures free up an additional 100 billion reais for lending.

Oct. 14: The central bank reduces reserve requirements on demand deposits to 42 percent from 45 percent, freeing up an additional 3.6 billion reais for lending.

Oct. 14: The National Monetary Council temporarily increases the percentage of demand deposits that banks must lend to the agricultural sector to 30 percent from 25 percent, freeing up an additional 4.5 billion reais for loans.

Oct. 16: The central bank expands the list of securities banks can buy from competitors to free up reserve requirements on term deposits to include fixed-income securities and interbank deposit certificates, among others.

Oct. 16: The National Monetary Council mandates that banks drawing on foreign currency credit lines from the central bank lend some or all of the funds to exporters.

Oct. 17: The bank says it will start holding auctions of foreign currency loans to provide credit for exporters, accepting sovereign bonds and export receivables as collateral.

Oct. 20: Bank sells $1.62 billion in foreign currency loans.

Oct. 22: The government allows the central bank to carry out swap operations with foreign central banks.

Oct. 22: Government says it will allow two state-controlled banks, Banco do Brasil and Caixa Economica Federal, to buy stakes in other financial institutions.

Oct. 23: The Finance Ministry scraps a tax known as the IOF, which was 1.5 percent on currency exchange for inflows of foreign capital and 0.38 percent on foreign currency loans. It says the main aim is to encourage short-term capital inflows.

Oct. 23: The central bank says it stands ready to sell up to $50 billion in dollar swap contracts.

Oct. 24: The central bank pumps nearly $2.5 billion into the foreign exchange market with the sale of currency swaps. It also sells dollars in the spot currency market.

Oct. 24: The national development bank offers to help exporters with losses from foreign exchange derivatives.

Oct. 27: The central bank sells $1.25 billion in dollar repurchase agreements at a rate of 2.312 per dollar. It also sells $815 million in foreign currency swaps in a bid to meet a surge in demand for the U.S. currency.

Oct. 27: Banks will be allowed to deduct from reserve requirements on demand deposits a portion of advance payments to the national loan guarantee fund. The measure may free up as much as 6 billion reais to the banking system.