Complex sentence: The school traces its origins to the Landbouw Hogeschool, which has a Department of Agriculture and Forestry, started in 1940, but which was closed during the Japanese occupation (1942--1945) and reopened in 1947.
Split into simpler sentences: The school traces its origins to the Landbouw Hogeschool, which has a Department of Agriculture and Forestry, started in 1940. It was closed during the Japanese occupation (1942--1945) and reopened in 1947.