Three Silesian Uprising happened in 1919, 1920 and 1921. While the first is definitely an "ordinary" uprising, the second is closer to be a civil war.
The third uprising is definitely a civil war. There was two armies fighting, a front, general who commands the armies, and causalities by hundreds. Paramilitaries from inner Germany and inner Poland played a major role and came to fight, not just the Upper Silesians. The war had a duration of 3 months. How can such a major even be refereed to only as an "uprising"? Isn't that a major euphemism for what happened?
In Switzerland the War of Sondernbund lasted only 3 weeks and did 93 casualties, and is refereed to as a "war". That is orders of magnitudes less than even the 1st uprising.