In 1948, Mountain Dew was launched.
1948-1973
This logo is now used on Mountain Dew Throwback.
1973-1996
1996-1999
1999-2005
2005-2009, 2005-present (Europe and Asia), 2005-2012 (Canada)
2009-present
In 2009, Mountain Dew was relaunched as Mtn Dew in the United States. In Canada and some other countries, the product is still called Mountain Dew, with a similiar angular logo as the rebranded Mtn Dew.
"Mtn" is the acronym of "Mountain".