In 1931 "The Star-Spangled Banner" officially became the national anthem, more than a century after it was written during this conflict
War of 1812
In May 2025 this 10-story statue in Rio was illuminated with an image of Pope Francis & a message: "Todos! Todos! Todos!"
Christ the Redeemer
Pauling found an "alpha" type of this spiral in proteins; Watson & Crick found a "double" one in DNA
Helix
American Airlines' largest hub is the Texas airport with this code, named for a pair of cities
DFW
This symbol has been on Air Canada's logo for more than 85 years
Maple leaf
In this year the U.S. & others boycotted the Moscow Olympics to protest the Soviet invasion of Afghanistan
1980
Taking office in 1534, Paul III was the first pope of this movement that pushed back on Protestantism
Counter-Reformation
An oncogene is defined as a sequence of genetic material that can induce this disease
Cancer
The Széchenyi Chain Bridge was the first to permanently span this river & connect the two old cities that form Hungary's capital
Danube
Canada's first female saint, Marguerite Bourgeoys arrived in this city in 1653 & soon opened its first school
Montreal
Characterized by an expanding economy & political corruption, the Gilded Age takes its name from an 1873 novel by him
Mark Twain
Before Benedict XVI in 2013, the last pope to resign was Gregory XII in 1415, as part of this "Great" crisis in church leadership
Great Schism
Seaweed is a good source of this element, an essential micronutrient
Iodine
From 1701-1875 Connecticut had twin capitals, Hartford & this city
New Haven
3 New England states border Canada: Maine, Vermont & this one
New Hampshire
His loss in the 1800 election came about by a vote in the House of Representatives, not in the Electoral College
Aaron Burr
On June 11, 2025 a former resident of the South Side rocked a cap of this MLB team at his new home in Vatican City
Chicago White Sox
This adjective means "relating to the synthesis of complex molecules"; it's also a type of steroid
Anabolic
It's a mere 2 miles from Kinshasa to Brazzaville, but there is no bridge joining them across this river
Congo
In the 1860s Barkerville in this province became home to Canada's first Chinese community
British Columbia
In 1856 South Carolina Rep. Brooks gave Massachusetts Sen. Sumner a notorious beating with this
Cane
When the pope dies, this cardinal, treasurer of the Holy See, oversees the election of the new pope
Camerlengo
If you thought all carbon is tetravalent; there's this form with 3 bonds & one wild electron
Free radical
The Twins & Vikings play in the Metrodome, named for this politician
Hubert Humphrey
This company, once Canada's most valuable, was no longer "fruit"ful as of 2022, when it discontinued support for its devices
Blackberry