Complex sentence: On 16 April a Turkish relief force was fought off at the Mount Tabor but the plague that struck the French camp as a result of the desperate condition of the men had now lead to the deaths of about 2,000 soldiers.
Split into simpler sentences: On 16 April a Turkish relief force was fought off at the Mount Tabor. Plague struck the French camp as a result of the desperate condition of the men had by now lead to the deaths of about 2,000 soldiers.