Archbishop Janani Luwum Day. Archbishop Janani Luwum Day is a public holiday in Uganda observed annually on 16 February to commemorate the life and martyrdom of Archbishop Janani Luwum, the former Archbishop of the Church of Uganda. The holiday was established in 2015 by the Ugandan government and first observed on 16 February 2016, marking the 39th anniversary of Luwum's death.