Complex sentence: Impressed by Strong's survival of the accident, Carleton donated US $50,000 to the fledgling institution in 1871; the Board of Trustees renamed the school in his honor.
Split into simpler sentences: Impressed by Strong's survival of the accident, Carleton donated $50,000 to the fledgling institution in 1871. As a result, the Board of Trustees renamed the school in his honor.