Uganda 41-year wait for an Africa Cup of Nations victory ended with a 2-0 victory over Democratic Republic of Congo on Saturday in a Group A match in Cairo.
They last won at the showcase of African football in March 1978, defeating Nigeria in a semi-final before losing the title decider to hosts Ghana.
Uganda did not qualify again for the Cup of Nations until two years ago in Gabon when the best they managed in three group matches was a draw.
Uganda exposed poor defending by DR Congo at the Cairo International Stadium to score in each half through Patrick Kaddu and Emmanuel Okwi.
Winning by two goals lifted Uganda to the top of the table, ahead of host nation Egypt on goal difference.
