Complex sentence: After the death of Madame de Pompadour in 1764, his enemies, led by Madame du Barry and the chancellor Maupeou, were too strong for him, and at the height of the Falkland Crisis in 1770 he was ordered to retire to his estate at Chanteloup.
Split into simpler sentences: After the death of Madame de Pompadour in 1764, his enemies, led by Madame du Barry and the chancellor Maupeou, were too strong for him. At the height of the Falkland Crisis in 1770 he was ordered to retire to his estate at Chanteloup.