Diet Pepsi

1963-1965
Diet Pepsi was introduced as Patio Diet Cola in 1963.

1965-1975
In 1965, Patio Diet Cola was renamed Diet Pepsi.

1975-1986
The text is almost the same as the 2008 logo.

2006-2008
Compared to all the Diet Pepsi logos, this logo was the shortest-lived, which was in stores for just over two years.

2008-2010
When Pepsi started to rebrand, they used different variants of the logo to fit with the mood and flavor of the drink. For Diet Pepsi, it has a slight grin.

2010-2014
The grinning globe was later replaced with the regular "smiling globe".