Complex sentence: The final days of the World War II witnessed great destruction in the city of Eindhoven, and not less, to the stadium itself although reparations were duly made, culminating in the expansion of the stadium into a 22,000 capacity in 1958.
Split into simpler sentences: The final days of World War II witnessed great destruction in the city of Eindhoven and also to the stadium itself. Repairs were duly made, culminating in the expansion of the stadium to 22,000 capacity in 1958.