In a surprise address to the nation, Russian President Boris Yeltsin announces his resignation and makes Putin, the prime minister he appointed four months earlier, the acting president. May 7, 2000 — After winning election with about 53% of the vote, Putin is inaugurated for his first four-year term. May 11, 2000 — Tax police raid the offices of NTV, a popular independent broadcaster noted for critical coverage of the Kremlin.