Step 1: Establishing the historical context.
The question asks for the event that did not occur in 1919, a year of major political and cultural transitions following World War I.
Step 2: Analysis of options.
(A) Incorrect for 1919: The Progressive Writers’ Association was formed later, in 1936.
(B) Correct for 1919: Rosa Luxemburg was murdered in January 1919 in Germany.
(C) Correct for 1919: Rabindranath Tagore renounced his knighthood in protest after the Jallianwala Bagh massacre.
(D) Correct for 1919: James Joyce’s Ulysses began serialization in the literary magazine The Little Review in 1918–1920.
Step 3: Conclusion.
Since the Progressive Writers’ Association did not exist in 1919, option (A) is the correct answer.