Today is when the United States celebrates its national anthem. It's called the "Star-Spangled Banner."
Parodies. If you are in the music business, are a musician, etc, today is a good day to release your own twist on the National Anthem, to commemorate its memory.
Listicles. If you compile a list of favorite celebrities or musicians singing the anthem, you can create a post that is irresistible to most millennials.
National Pride. Remember that today is very important to the Americans. It's best to treat this holiday with care and respect.
Hashtags to use today: #NationalAnthemDay, #AnthemDay, #AmericanPride, #NationalPride, #BornintheUSA, #USAPride, #AllAmerican, #StarSpangledBanner, #Georgetown, #America.