Corporation for Public Broadcasting

1967–1969
The Corporation for Public Broadcasting was founded in 1967 by an act of the United States Congress.

1975–1983
The second logo was replaced with a simple Bauhaus-inspired wordmark.

1983–2000
The third logo consisted of the company's acromym in a serif typeface surrounded by a large circle.

2000–present
This is the company's current logo, which is made up of simple shapes, a square (mostly colored blue) with the white-colored letters inside.