context: The Military Museum was established on 25 November 1929 and the opening ceremony took place at Liisankatu 1 in Kruununhaka on 18 October the following year. Prior to the establishment of the museum, Finnish military history and collections had been on display, for example. At the centenary exhibition of the Finnish History Museum in the War of Finland in 1908. In the years 1918-1919, the National Museum created a collection mainly related to donations to the War of Independence. In addition, the War Archives, established in Helsinki in 1918, contained military history items that formed the basis for the collections of the Military Museum. [2]
question: When was the Military Museum established?
answers.text: 25 November 1929