Complex sentence: The most famous of these, the Sentier Martel, was laid out in 1928 by the Touring Club de France, and given its present name in 1930 to honor the explorer Édouard-Alfred Martel (1859--1938).
Split into simpler sentences: The most famous of these, the Sentier Martel, was laid out in 1928 by the Touring Club de France. It was named in 1930 to honor the explorer Édouard-Alfred Martel (1859--1938).