Complex sentence: On April 20,1850, he was made a Justice of the San Francisco Superior Court, and on October 11,1851, at the age of 26, he was made a Justice of the Supreme Court of California, the youngest ever appointed.
Split into simpler sentences: On April 20,1850, he was made a Justice of the San Francisco Superior Court. On October 11,1851, at the age of 26, he was made a Justice of the Supreme Court of California, the youngest ever appointed.