June 28 in San Antonio history…

1912
Within a few days it will be possible to tell the time by looking at the clock in the tower of the city hall. The machinery has been repaired and work was begun today painting the four faces.

1977
Construction workers began lifting the roof of the Convention Center Arena in order to add 6,000 extra seats.  The 2,260-ton roof will take three days to be raised 33 feet.  The construction work should be completed in the fall of 1978.

1987
Selena y Los Dinos play a concert in Market Square.