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Amy Tikkanen
Encyclopædia Britannica Editor
BIOGRAPHY

Amy Tikkanen is Managing Editor at Encyclopaedia Britannica. She has worked at Britannica for more than two decades, handling a wide range of topics that include Hollywood, politics, books, and anything related to the Titanic.

Primary Contributions (264)
U.S. secretary of defense
Pete Hegseth
Pete Hegseth is the U.S. secretary of defense (2025– ) in the Republican administration of Pres. Donald Trump. Hegseth was confirmed on January 24, 2025, following a 50–50 vote in the U.S. Senate that required U.S. Vice Pres. J.D. Vance to cast the tie-breaking vote, resulting in a 51–50 final…
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Deaths in 2025
list of the smallest countries by area
List of NBA Players with the Most Championships
Enola Gay
french fries
Jeb Bush
Dennis Hastert
What’s the largest U.S. state by area?
Griselda Blanco
Department of Government Efficiency
Sarah Jessica Parker
Which team has won the most NBA titles?
Kathryn Bigelow
Steven Avery
Great Molasses Flood
Rick Perry
Titan submersible implosion
Martin Bashir
The Adventures of Tom Sawyer
Regis Philbin
Pedro Pascal
Hugh Glass
US Airways flight 1549
Who’s won the most Oscars?
American Idol winners
Costa Concordia disaster
Loch Ness monster
Krampus
Vegas Golden Knights
Danny Boyle
Claire Danes
Jamie Lee Curtis
Colin Firth
Virginia Tech shooting
Colleen Hoover
Javier Bardem
I Have a Dream
Mary Ann Cotton
Did Anyone Escape from Alcatraz?
Pablo Escobar
USS Arizona
Most Popular Baby Names in the U.S.
Jack Ruby
Second Cabinet of Donald Trump
Alec Baldwin
Soldier Field
Ingvar Kamprad
Louise Penny
Tim Horton
Brittney Griner
Reese Witherspoon
Edmund Fitzgerald
Gary Ridgway
Shonda Rhimes
Arundhati Roy
Katherine Heigl
The Diary of a Young Girl
Steve Carell
Steve Witkoff
Mary Read
Nikki Haley
Steve Buscemi
Rita Moreno
Helen Hunt
Nancy Meyers
National Register of Historic Places
Maria Sharapova
Isabelle Huppert
Mark David Chapman
Jessica Lange
Bob Barker
Anita Hill
Essex
Wrigley Field
Thomas Andrews
list of EGOT winners
Mary Rose
Mehmet Oz
Swissair flight 111
MSNBC
James Garner
Zhang Yimou
Maersk Alabama hijacking
San Quentin State Prison
Biltmore Estate
Jennifer Capriati
Lily Tomlin
Queen Mary
Reince Priebus
Kurt Russell
Karoline Leavitt
Pat Summitt
Scott Walker
Suze Orman
Steve Yzerman
current U.S. governors
Olivia Wilde
Linda McMahon
Susie Wiles
Banaue rice terraces
Dennis Rader
J. Bruce Ismay
Andrea Doria
George Miller
Symbols on a U.S. Dollar Bill
Edwin Bustillos García
Abdalá Bucaram
David S. McKay
Great Sphinx of Giza
Robert Durst
Hillsborough disaster
Kim Kardashian
Tulsi Gabbard
Titanic
Uruguayan Air Force flight 571
Mary Celeste
MS St. Louis
Lizzo
Marine One
Edward J. Smith
list of athletes with the most Olympic medals
Betty White
Jim Harbaugh
Gretchen Whitmer
Fenway Park
Mamie Till-Mobley
Elizabeth Strout
Tom Steyer
Leon Czolgosz
Gary Johnson
Michelle Yeoh
Tsar Bomba
2024: Year in Review
Giannis Antetokounmpo
2024 Paris Olympics: Athletes to watch
Ucayali River
Hearst Castle
Greg Abbott
Eliud Kipchoge
Dmitry Muratov
history of sneakers
Gavin Newsom
Steve Kerr
Scotty Bowman
Ron DeSantis
list of the largest U.S. cities by population
Timeline of Women Leaders
New York indictment of Donald Trump
Laurent Fignon
Sinaloa cartel
Mark Cuban
Hu Jia
Eva Ekeblad
Jane Marcet
Mike Pence
Britannic
Leonid Yakovlevich Arkayev
Joanna Gaines
How have the Olympics changed?
Jonathan Toews
Nicklas Lidstrom
Who has won the most NCAA men’s basketball championships?
Who has won the most NCAA women’s basketball championships?
Olympic
Who’s won the most NASCAR Cup Series championships?
The True Story Behind Feud: Capote vs. the Swans
list of U.S. states by population
Louisiana State University
Which team has won the most World Series?
Who’s won the most Stanley Cups?
speakeasy
Who’s won the most Super Bowls?
Carpathia
U.S. state and territory abbreviations
Gold State Coach
Coronation Chair
University of Phoenix
International flags on soccer balls. Futbol football. Hompepage blog 2009, arts and entertainment, history and society, sports and games athletics soccer world cup
Olympics: Football (Soccer)
Close-up of marijuana plant growing outdoors
Why Is Marijuana Illegal in the U.S.?
Great Wall of China. (UNESCO World Heritage site)
5 Famous Border Walls
Working German Shepherd dog sniffing a suspecting package for drugs or explosives.
Working Like a Dog: 7 Animals with Jobs
US Marines firing at Fallujah, Iraq, during the Second Battle of Fallujah in November 2004. Operation Iraqi Freedom, Iraq War.
Timeline of the 2000s
Norwegian forest cat relaxing in a tree
Vikings Helped Cats Conquer the World
Close-up of crocodile eye; location unknown (rainforest, reptile).
What’s the Difference Between Alligators and Crocodiles?
Tom Cruise as Maverick in Top Gun(1986) directed by Tony Scott.
Can You Guess the Movie by the Scene?
"On the threshold of office--what have we to expect of him?" chromolithograph by Joseph Keppler, September 1881. Print shows the members of the assassinated James A. Garfield's cabinet looking at the new president, Chester Arthur. Chester A. Arthur.
The Surprisingly Disorderly History of the U.S. Presidential Succession Order
Tibetan leader Dalai Lama, 2008.
The 14th Dalai Lama: A Life in Pictures
President Richard M. Nixon smiles and gives the victory sign as he boards the White House helicopter after his resignation on August 9, 1974 in Washington, D.C.
Timeline of the 1970s
Computer mapping, woman at early 1990s computer
Timeline of the 1990s
The starting line-up at the first ever Indianapolis 500 motor race at Indianapolis Motor Speedway in Speedway, Indiana, 1911.
The First Indy 500: A Spectacular Start in 1911
Germans from East and West stand on the Berlin Wall in front of the Brandenburg Gate in the November 10, 1989, photo, one day after the wall opened.
Timeline of the 1980s
Dog bingo. Guess the dog breed.
Britannica’s Dog Bingo
Britannica's Book Bingo. Take our reading challenge! Books range form greatest, banned, and counterculture.
Britannica’s Book Bingo
A group of diverse individuals, who represent various occupations, stand with their arms raised in the air. labor day; laborers; construction worker; teacher; nurse; doctor; assistant; office staff; blue collar; workforce
Why Is Labor Day Celebrated in September?
Christmas tree, holiday, pine
How Did the Tradition of Christmas Trees Start?
International currencies, money, various banknotes, currency
A Brief (and Fascinating) History of Money
Irish Cobs in autumn pasture, horses
Why Do Horses Sleep Standing Up?
Still from the 2017 movie IT, Bill Skarsgard plays Pennywise the clown. Directed by Andy Muschietti
Why Are People Afraid of Clowns?
Human Cannibalism; Johannes Lerii's account of the description of the method the Indians use for "barbecuing" human flesh. Nude Indians barbecuing and eating parts of human bodies; Theodor de Bry.
Cannibalism: Cultures, Cures, Cuisine, and Calories
Click on image for enlargements of panel sections. The Ghent Altarpiece (open view) by Jan and Hubert van Eyck, 1432, polyptych with 12 panels, oil on panel; in the Cathedral of Saint-Bavon, Ghent, Belg.
The Most Stolen Work of Art
Charlie Chaplin as the 'Little Tramp'
Rest in Peace? Not for These 7 Unlucky Individuals
Sydney New Years Eve Fireworks
Why Does the New Year Start on January 1?
Four year old boy with grandfather and father lighting Hanukkah menorah. Photo taken on: December 21st, 2009
Which Is Correct: Hanukkah or Chanukah?
Titanic infographic. The 30th anniversary of its discovery is September 1, 2015. SPOTLIGHT VERSION.
Timeline of the Titanic’s Final Hours
Aerial view of the Amazon River in the Amazon rainforest near Manaus in Brazil. South America
How Long Is the Amazon River?
Jacqueline Kennedy and Lady Bird Johnson stand by President Lyndon B. Johnson as he takes the oath of office aboard Air Force One after the assassination of John F. Kennedy, November 22, 1963.
Who Becomes President After the President and Vice President?
A scary old jack-o-lantern on black. Halloween pumpkin, trick or treat. Halloween holiday
Happy Halloween
Three men, with dog, panning for gold in a stream in the Black Hills of South Dakota in 1889.
Gold Fever
Pack of cigarettes
Snuffing Out Smoking
Women casting their vote in New York City, c. 1920s. At Fifty-sixth and Lexington Avenue, the women voters showed no ignorance or trepidation, but cast their ballots in a businesslike way that bespoke study of suffrage."
Voting in the U.S.A.
Castle Geyser, Yellowstone National Park, Wyoming. (steam; water pressure)
Happy 100th Birthday, National Park Service!
Logo of the 2016 Summer Olympic Games with kinds of sport in Rio de Janeiro, Brazil, from August 5 to August 21, 2016, printed on paper.
Rio Recap
Sign 9 3/4 Hogwarts Express. The Wizarding World of Harry Potter - Diagon Alley of Universal Studios Orlando. Universal Studios is a park in Orlando, Florida, USA
Harry Potter and the Much-Anticipated Return
American bison (Bison bison) also known as buffalo or plains buffalo on the prairie, western U.S.
What’s the Difference Between Bison and Buffalo?
ROCHESTER, NY - AUGUST 10: Steve Stricker of the United States plays a bunker shot on the 11th hole during the third round of the 95th PGA Championship at Oak Hill Country Club on August 10, 2013 in Rochester, New York
100th Anniversary of the PGA’s Founding
GAINESVILLE, FL - OCTOBER 9: More than 88,000 people attend the UF home game as the Gators host the LSU Tigers in Ben Hill Griffin Stadium in a SEC football match on October 9, 2010 at Gainseville, FL. football
The 24 Days of College Football Bowls
Day of the Dead. skeleton to celebrate Day of the Dead aka Dia de los Muertos holiday in Mexico. La Calavera Catrina. Roman Catholicism moved holiday to coincide with All Saints Day and All Souls Day (November 1 and 2).
Feliz Día de los Muertos
King Henry V is attacked at the Battle of Agincourt in 1415, a major battle in the Hundred Years' War in which longbows (lower left) proved to be inferior weapons.
The 600th Anniversary of the Battle of Agincourt
Eastland disaster infographic, July 24, 1915, Chicago, Illinois. shipwreck. Use for BTN/SPT.
100th Anniversary of the Eastland Disaster
Lusitania sinking, illustration from The War of the Nations (New York), December 31, 1919. World War I, WWI. This image is one of three on the page. (See source file for the other two.)
Remembering the Lusitania