A 125-year anniversary is called a quasquicentennial. This word is pronounced ‘kwos-kwi-sen-ten-ee-uhl’ and it may be used as a noun or an adjective. Thanks to Wikipedia.
The Templestowe congregation of the current Manningham Uniting Church was established in July 1895 and the historic weatherboard church that is currently undergoing restoration was built and opened in 1896.
So, 2020 is the 125th anniversary of the founding of the Manningham Uniting Church in Templestowe as the Templestowe Presbyterian Church, as a new church separate from the Heidelberg Presbyterian Church.
The little weatherboard church was built on land donated by Mrs Emma Smith, by John and James Smith and other local tradespeople; opening on 24 May 1896. The stump holes were dug on 31 March with the help of the Smith schoolchildren and in eight weeks the building was completed. The vestry was added in 1912 with funds raised by the church’s first grand Caledonian fair in the Mechanics Institute.
It appears that any wild celebrations for 125 years will have to wait until at least 2021, which will still be quite appropriate, as it will be 125 years since the building was erected.
Templestowe weatherboard church is not the oldest MUC building by a long way. The Woodhouse Grove stone church that was established as a Wesleyan Chapel in 1856 and is to be given a facelift in the near future. The Woodhouse Grove chapel is 40 years older than the Templestowe church.