This year marks 121 years since the beginning of the South African Boer War with 860 Tasmanians serving in the conflict.
A memorial ceremony will be held on Sunday at Launceston's City Park at the Boer War Memorial from noon to commemorate the conflict and remember those who served.
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The Boer War began in 1899 and continued until 1902 before the Vereeniging Treaty on May 31 brought the war between the United Kingdom, the South African Republic and the Orange Free State to an end.
Memorial organiser Reg Watson said the commemorative day aimed to honour the Tasmanians who served and who died, including the civilian casualties.
"The Boer War remains Australia's third-worst conflict in terms of fatalities," he said.
"Because of the existing social circumstances, the ceremony will be down-sized from previous years.
"Nonetheless, it is important that the event is held and that there not [be] a break in having such an important ceremony."
Historian Mr Watson, who penned the book Heroes All - Tasmanian casualties of The Anglo-Boer War, said it was the 14th year the service would be held in the city.
"Every year it seems to grow in attendance," he said.
"It is a colourful ceremony with many volunteer groups involved. However, the main attention is to honour those who served. This year, of course, as said, will be smaller."
Once such figure the memorial will honour is Tasmanian Lieutenant Raymond Perkins.
Longford man Wayne Binns said during his 2017 Boer War battlefield tour the group came across the Leydsdorp Cemetery, where they found the grave of Lt Perkins.
"We may have been the only Tasmanian visitors to visit his grave in a hundred and thirteen years," he said.
Lt Perkins was born in Hobart in 1869 before he became a part of the First Tasmanian Imperial Bushman for the war and remained in South Africa after the conflict, before he died on June 29, 1904.
He received the Queen's Medal with three clasps and was created a Companion of the Distinguished Service Order for recognition of his service during the war.
He is also remembered on Hobart's the Hutchins School Boar War honour board.
Members of the public will have an opportunity to lay flowers, posies or wreaths throughout the day.
The event will be held at the Boar War Memorial in City Park on June 21, but if it rains it will be held in the park's rotunda instead.
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