July 21, 1990
Pink Floyd performed their hit song “The Wall” at the previous Berlin Wall location to commemorate the fall of the Berlin Wall eight months earlier.
Roger Waters, co-founder of Pink Floyd.
Today is
Belgian Independence Day
The day commemorates the investiture （加冕）of King Leopold I, who took the constitutional oath in 1831, and the separation of Belgium from the Netherlands.
July 21, 1796
Robert Burns, the Scottish poet and lyricist, died at age 37.
Yes, the "love is like a red red rose" Robert Burns.