Please note that the content of this book primarily consists of articles available from Wikipedia or other free sources online. The Semaphore state by-election, 1973 was a by-election held on 2 June 1973 for the South Australian House of Assembly seat of Semaphore. This was triggered by the death of state Labor MHA Reginald Hurst. The seat had been retained by Labor since it was created and first contested at the 1970 state election.The Socialist Party, who contested the previous election on 3.7 percent of the vote, did not contest the by-election. Labor easily retained the seat.