Complex sentence: In 1888, the Society for the Beautification of Copenhagen announced a competition for a fountain on the prominent square to celebrate the upcoming silver wedding of Crown Prince Frederik (VIII) and Crown Princess Louise on 28 July 1894.
Split into simpler sentences: In 1888, the Society for the Beautification of Copenhagen announced a competition for a fountain. The occasion was the upcoming silver wedding of Crown Prince Frederik (VIII) and Crown Princess Louise on 28 July 1894.