Conversation so far:
What happened during Oscar Charleston's early years that was significant?
After his honorable discharge from the U.S. Army in 1915, Oscar Charleston returned to the United States and immediately began his baseball career with the Indianapolis ABCs.
How long did Oscar Charleston stay with the Indianapolis team?
Oscar Charleston stayed with the Indianapolis ABCs from 1915 until 1918.
How long did Oscar Charleston stay in Cuba?
After his arrest after an incident during a game on October 24, 1915, Oscar Charleston was released after posting bail and immediately left town to play winter baseball in Cuba.

Question: Is there any other significant fact about Oscar during this time?
Self-contained rewrite: Is there any other significant fact about Oscar Charleston during his stay in Cuba besides the fact that he played winter baseball there?