On May 9, 1974, the US House Judiciary Committee chaired by Rep. Peter Rodino (D-NJ) opened hearings into the possible impeachment of President Richard Nixon in connection with the Watergate scandal. The Committee voted to impeach Nixon on three counts on July 30. Chairman Rodino died in 2005 at his home in New Jersey. He was 95.

On May 9, 1901, the Parliament of Australia convened for the first time in Melbourne. The Australian Parliament also held its first meeting in the new capital of Canberra 26 years later on the same day 1927. Finally, on this day in 1988 Australian opened its new Parliament House in Canberra. Read the Constitution of Australia.