Complex sentence: About 1,400 members attended the first exemplification of the Fourth Degree at the Lenox Lyceum in New York on February 22,1900, and it was infused with Catholic and patriotic symbols and imagery that "celebrated American Catholic heritage".
Split into simpler sentences: About 1,400 members attended the first exemplification of the Fourth Degree at the Lenox Lyceum in New York on February 22,1900. The event was infused with Catholic and patriotic symbols and imagery that "celebrated American Catholic heritage".