This day in music history.

July 21, 1990, Roger Waters 'The Wall Concert' took place at the Berlin Wall in Potzdamer Platz, Berlin. Over 200.000 people attended and the event was broadcast live throughout the world. David Gilmore was not invited. He was replaced by Cyndi Lauper, Thomas Dolby and Bryan Adams.
DLAK note: Ah hah hah hah hah.