It was a great historical movement
The First International: 1864 to 1876
https://en.wikipedia.org/wiki/International_Workingmen%27s_Association
The Second International: 1889 to 1916
https://en.wikipedia.org/wiki/Second_International
The Third International: 1919 to 1943
https://en.wikipedia.org/wiki/Communist_International
It was such a powerful and hopeful worldwide movement. The full scope of what went right and what went wrong has still to be fully comprehended.
https://jacobinmag.com/2021/05/karl-marx-signs-of-communist-future-paris-commune-communist-history