Question: When did the headquarters city of the Fireball Cinnamon Whiskey manufacturer elect its first black mayor?

Knowledge 1: Fireball Cinnamon Whisky
Fireball Cinnamon Whisky is a mixture of whisky, cinnamon flavoring and sweeteners that is produced by the Sazerac Company. As of 2018, Fireball is among the top selling whisky brands in the United States. Its foundation is Canadian whisky, and the taste otherwise resembles the candy with a similar name, Ferrara Candy Company's "Atomic Fireball" candy. It is bottled at 33% alcohol by volume (66 U.S. proof). [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: Fireball Cinnamon Whisky
Fireball Cinnamon Whisky is a mixture of whisky, cinnamon flavoring and sweeteners that is produced by the Sazerac Company. As of 2018, Fireball is among the top selling whisky brands in the United States. Its foundation is Canadian whisky, and the taste otherwise resembles the candy with a similar name, Ferrara Candy Company's "Atomic Fireball" candy. It is bottled at 33% alcohol by volume (66 U.S. proof). [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: New York City
The present mayor is Bill de Blasio, the first Democrat since 1993. He was elected in 2013 with over 73% of the vote, and assumed office on January 1, 2014.
Knowledge 1: Fireball Cinnamon Whisky
Fireball Cinnamon Whisky is a mixture of whisky, cinnamon flavoring and sweeteners that is produced by the Sazerac Company. As of 2018, Fireball is among the top selling whisky brands in the United States. Its foundation is Canadian whisky, and the taste otherwise resembles the candy with a similar name, Ferrara Candy Company's "Atomic Fireball" candy. It is bottled at 33% alcohol by volume (66 U.S. proof). [SEP] Knowledge 2: New York City
The present mayor is Bill de Blasio, the first Democrat since 1993. He was elected in 2013 with over 73% of the vote, and assumed office on January 1, 2014. [SEP] Knowledge 3: 2017 New York City mayoral election
An election for Mayor of New York City was held on November 7, 2017. Bill de Blasio, the incumbent mayor, won re-election to a second term.

Answer: 1970s