Sumy

Table of Contents

Introduction References & Edit History Related Topics

Images

Discover

Dancers at a Cinco de Mayo festival at the Mission District, San Francisco, California. (Photo dated 2019.) holidays

Is Cinco de Mayo Mexico's Independence Day?

Illustration for Demystified "How Dangerous is Quicksand"

How Deadly Is Quicksand?

Centimetres vs inches, metal rulers on a white background with clipping path.

Why Doesn’t the U.S. Use the Metric System?

Aspirin pills.

7 Drugs that Changed the World

Eye. Eyelash. Eyeball. Vision.

7 Vestigial Features of the Human Body

Close up of books. Stack of books, pile of books, literature, reading. Homepage 2010, arts and entertainment, history and society

12 Novels Considered the “Greatest Book Ever Written”

Portrait of a mountain gorilla at a short distance. gorilla close up portrait.The mountain gorilla (Gorilla beringei beringei)

Falling Stars: 10 of the Most Famous Endangered Species

Sumy: Related Content

Written and fact-checked by The Information Architects of Encyclopaedia Britannica

News •

What to know about the battle for Russia's Kursk region • May 21, 2025, 4:17 PM ET (AP)

Trump says he will call Putin, then Zelenskyy, on Monday to push for Ukraine ceasefire • May 17, 2025, 3:00 PM ET (AP)

Ukraine accuses Russia of violating its own truce over 700 times as Kyiv ratifies US minerals deal • May 8, 2025, 4:17 PM ET (AP)

Photos

See All Images →

Topics

Kramatorsk Odesa Kyiv Sevastopol Kharkiv Vinnytsya Donetsk Dnipro Chernivtsi Yalta

Quiz

Tower Bridge over the Thames River in London, England. Opened in 1894. Remains an Important Traffic Route with 40,000 Crossings Every Day.

Guess the City by Its River Quiz