Complex sentence: For Mackenzie's swimming and diving program, 1956 was a phenomenal year; in February, Richard Boka, Howard Scarborough, John C. Smith and Tony Tashnick led the Stags to a city championship-sealing victory during the final event.
Split into simpler sentences: For Mackenzie's swimming and diving program, 1956 was a phenomenal year. In February, Richard Boka, Howard Scarborough, John C. Smith and Tony Tashnick led the Stags to a city championship-sealing victory during the final event.