Complex sentence: A common misconception is that Locomotive No.1 hauled the first train at the grand opening of the first New South Wales railway, on 26 September 1855, No.1 was in fact in need of maintenance that day and not in steam.
Split into simpler sentences: A common misconception is that Locomotive No.1 hauled the first train at the grand opening of the first New South Wales railway, on 26 September 1855. In fact, No.1 was in need of maintenance that day and not in steam.