Complex sentence: On October 12,1916, a group of young men which included Garza Gutiérrez founded Club América, naming it in honor of the event that is celebrated on the particular date of the club's foundation.
Split into simpler sentences: On October 12,1916, a group of young men, which included Garza Gutiérrez, founded Club América. The squad was named in honor of the event that is celebrated on the particular date of the club's foundation.