Trans-Tasman is an adjective used primarily in Australia and New Zealand, which signifies an interrelationship between both countries. Its name originates from the Tasman Sea which lies between the two countries. For example, trans-Tasman commerce would refer to commerce between these two countries.
- A trans-Tasman flight is a flight between Australia and New Zealand.
- The Trans-Tasman Travel Arrangement is an agreement between Australia and New Zealand allowing their citizens free movement between the two countries.
- The Trans-Tasman Trophy is a Test cricket trophy.
- The harmonization of Trans-Tasman food standards led to lower compliance costs for industry, fewer regulatory barriers, and more consumer choice.
- 18 February 1876 - The first trans-Tasman submarine communications cable is completed, allowing telegraph communications with the rest of the world.
- 3 February 1908 - first trans-Tasman radio transmission (via HMS Powerful in Tasman Sea).
- 10 January 1928 - Moncrieff and Hood vanish without trace during the first trans-Tasman flight attempt.
- 10 September 1928 - Sir Charles Kingsford Smith and his three-man crew complete the first successful trans-Tasman flight.
- 7 January 1931 - Guy Menzies flies the first solo non-stop trans-Tasman flight (from Australia to New Zealand) in 11 hours and 45 minutes, crash-landing on New Zealand's west coast.
- 1969. Anders Svedlund attempted a Crossing from New Zealand to Australia, however he was over-turned five days after leaving from Auckland's Manukau Harbour and returned to New Zealand.
- 1977 - Colin Quincey, an England-born New Zealander, made the first successful human-powered trans-Tasman crossing. He took 63 days 7 hours to row his Yorkshire Dory row-boat from Hokianga, New Zealand to Marcus Beach on the Sunshine Coast of Australia.
- 30 December 2007 - Four Australians, led by Steven Gates, departed from Hokianga, New Zealand on 29 November. They arrived in Sydney Harbour on 30 December at 8:15 am, having taken 31 days to make the crossing.
- 13 January 2008 - crossing of the Tasman by kayak completed; expedition named Crossing the Ditch.
- March 2010 - Shaun Quincey completed the solo row from Australia to New Zealand in March 2010. Shaun is the son of Colin Quincey, who completed the reverse journey in 1977.
- July 2018 - Scott Donaldson completes the first kayak solo row from Coffs Harbour, Australia to New Plymouth, New Zealand.
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- "Completion of the cable". Nelson Evening Mail. 19 February 1876. p. 2. Retrieved 17 April 2009.
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- Bowling, Kerri (16 August 2003). "Aviator's family plot restored". Wairarapa Times-Age. Archived from the original on 21 October 2008. Retrieved 17 April 2009.CS1 maint: unfit URL (link)
- Quincey, C. (1977). Tasman Trespasser, page 202. Auckland: Hodder & Stoughton.
- Quincey, C. (1977). Tasman Trespasser, page 190. Auckland: Hodder & Stoughton.
- "Australian rowers cross Tasman Sea". Radio New Zealand. 30 December 2007.
- "Paddling into history: Kiwi Scott Donaldson becomes first solo kayaker to cross Tasman Sea". NZ Herald. 2 July 2018. ISSN 1170-0777. Retrieved 4 July 2018.