1890 – Capt. Guillaume of Kerckhoven marches into Boma, Congo
1948 – Columbia U reports discovery of uranium in Belgian Congo
The documentary is similar to Kongo. Obviously the same team produced both versions but this one with shorter editing (2 hours instead of 2 hours and 30 minutes) and some archive images are different. Also this one comes with English subtitles (click on CC).
French with English subs