Complex sentence: Before its current name it was known as the Gimbels Thanksgiving Day Parade, named after Gimbels Department Store Gimbels was the first department store in the country to host a parade starting in 1920 contrary to popular belief Macy's did not start a parade until 1924.
Split into simpler sentences: Before its current name it was known as the Gimbels Thanksgiving Day Parade, named after Gimbels Department Store. Contrary to popular belief Macy's did not start a parade until 1924.