In the pion, an up and an anti-down quark yield a particle of only 139.6 MeV of mass energy, while in the rho vector meson the same combination of quarks has a mass of 770 MeV! The masses of C and S are from Serway, and the T and B masses are from descriptions of the experiments in which they were discovered.
Independence Day 2018 is a federal holiday and falls on the fourth of July. The day of the week that the holiday falls on, changes each year. If July 4 is a Saturday, it is observed on Friday, July 3.
July 4 was intentionally chosen by the United States because it corresponds to its Independence Day, and this day was observed in the Philippines as Independence Day until 1962. In 1964, the name of the July 4 holiday was changed to Republic Day. In Rwanda, July 4 is an official holiday known as Liberation Day, commemorating the end of the 1994 Rwandan Genocide in which the U.S. government also played a role. Denmark also celebrates American independence on July 4.