Question: When did the city where the headquarters of Barton Premium Blend's manufacturer is located elect its first black mayor?

Knowledge 1: Barton Premium Blend
Barton Premium is a Kentucky Blended whiskey produced in Bardstown, Kentucky by the Sazerac Company at its Barton 1792 Distillery. It is sold in glass in 16 oz pint bottles, glass 750ml bottles, glass 1-liter bottles and plastic 1.75L bottles. [SEP] Knowledge 2: Sazerac
The Sazerac is a local New Orleans variation of a cognac or whiskey cocktail, named for the "Sazerac de Forge et Fils" brand of cognac brandy that served as its original main ingredient. The drink is most traditionally a combination of [SEP] Knowledge 3: Black people
Though Brazilians of at least partial African heritage make up a large percentage of the population, few blacks have been elected as politicians. The city of Salvador, Bahia, for instance, is 80% people of color, but voters have not elected a mayor of color. Journalists like to say that US cities with black majorities, such as Detroit and New Orleans, have not elected white mayors since after the civil rights movement, when the Voting Rights Act of 1965 protected the franchise for minorities, and blacks in the South regained the power to vote for the first time since the turn of the 20th century. New Orleans elected its first black mayor in the 1970s. New Orleans elected a white mayor after the widescale disruption and damage of Hurricane Katrina in 2005.
Knowledge 1: Barton Premium Blend
Barton Premium is a Kentucky Blended whiskey produced in Bardstown, Kentucky by the Sazerac Company at its Barton 1792 Distillery. It is sold in glass in 16 oz pint bottles, glass 750ml bottles, glass 1-liter bottles and plastic 1.75L bottles. [SEP] Knowledge 2: Ten High
Ten High is a brand of American whiskey first introduced in the 1930s by Hiram Walker & Sons, now produced by the Barton Brands division of the Sazerac Company. The name "Ten High" refers to a barrel storage location at least ten ricks high, as barrels in the upper part of the aging warehouse mature faster. Although the brand name evoked this storage method, the manufacturer did not actually promise that the brand was from barrels aged in such locations. [SEP] Knowledge 3: Sazerac
The Sazerac is a local New Orleans variation of a cognac or whiskey cocktail, named for the "Sazerac de Forge et Fils" brand of cognac brandy that served as its original main ingredient. The drink is most traditionally a combination of
Knowledge 1: Barton Premium Blend
Barton Premium is a Kentucky Blended whiskey produced in Bardstown, Kentucky by the Sazerac Company at its Barton 1792 Distillery. It is sold in glass in 16 oz pint bottles, glass 750ml bottles, glass 1-liter bottles and plastic 1.75L bottles. [SEP] Knowledge 2: Ten High
Ten High is a brand of American whiskey first introduced in the 1930s by Hiram Walker & Sons, now produced by the Barton Brands division of the Sazerac Company. The name "Ten High" refers to a barrel storage location at least ten ricks high, as barrels in the upper part of the aging warehouse mature faster. Although the brand name evoked this storage method, the manufacturer did not actually promise that the brand was from barrels aged in such locations. [SEP] Knowledge 3: Black people
Though Brazilians of at least partial African heritage make up a large percentage of the population, few blacks have been elected as politicians. The city of Salvador, Bahia, for instance, is 80% people of color, but voters have not elected a mayor of color. Journalists like to say that US cities with black majorities, such as Detroit and New Orleans, have not elected white mayors since after the civil rights movement, when the Voting Rights Act of 1965 protected the franchise for minorities, and blacks in the South regained the power to vote for the first time since the turn of the 20th century. New Orleans elected its first black mayor in the 1970s. New Orleans elected a white mayor after the widescale disruption and damage of Hurricane Katrina in 2005.

Answer: 1970s