Complex sentence: Although the name would indicate the holiday is held on the 20th of August, it is actually celebrated according to the lunar calendar, and the first celebration of this glorious occasion happened to fall on Friday, August 20 1974.
Split into simpler sentences: Although the name would indicate the holiday is held on the 20th of August, it is actually celebrated according to the lunar calendar. The first celebration of this glorious occasion fell on Friday, August 20 1974.