Complex sentence: His draw was such that some facilities were "crowded to suffocation"; an example was his hugely popular "London Reception Speech," which Douglass delivered in May 1846 at Alexander Fletcher's Finsbury Chapel.
Split into simpler sentences: His draw was such that some facilities were "crowded to suffocation". One example was his hugely popular "London Reception Speech," which Douglass delivered in May 1846 at Alexander Fletcher's Finsbury Chapel.