The chronological calendar begins in 1805, the year in which Dorota Klara Wolff was born in Prudnik, Silesia, a member of the Third Order of St Francis of Assisi, initiator of the Congregation of the Gray Sisters of St Elizabeth. It ends on January 5-6, 1980, when the Jubilee Symposium was held in the provincial house in Wrocław to celebrate the 750th anniversary of the death of St Elizabeth.