Запишем даты полностью.
- 22nd August - the twenty-second of August
- 13th April - the thirteenth of April
- 25th October - the twenty-fifth of October
- 3rd June - the third of June
- 29th May - the twenty-ninth of May
- 31st December - the thirty-first of December
Ответ: the twenty-second of August, the thirteenth of April, the twenty-fifth of October, the third of June, the twenty-ninth of May, the thirty-first of December