Complex sentence: Subsequent to the Armstrong's statement to withdraw his fight against USDA's charges, on August 24,2012, the USADA said it would ban Armstrong for life and stripped him of his record seven Tour de France titles.
Split into simpler sentences: Subsequent to the Armstrong's statement to withdraw his fight against USDA's charges. On August 24,2012, the USADA said it would ban Armstrong for life and stripped him of his record seven Tour de France titles.