Complex sentence: In 1894, although there were only 41 golf courses in the United States, two unofficial national amateur championships took place, one at Newport Country Club in Rhode Island, and the other at St. Andrew's Golf Club in New York State.
Split into simpler sentences: In 1894, with 41 golf courses operating in the United States, two unofficial national championships for amateur golfers were organized. One was held at Newport Country Club in Rhode Island, and the other at St. Andrew's Golf Club in New York State.