WASHINGTON — Russia's illegal seizure of the Crimean Peninsula from Ukraine in March 2014 was quick and bloodless, and it sent Moscow's relations with the West into a downward spiral unseen since the Cold War.

It also paved the way for Russia’s full-scale invasion of Ukraine in 2022, during which Moscow illegally annexed more land from its neighbor.

A look at the diamond-shaped peninsula in the Black Sea, coveted by both Russia and Ukraine for its naval bases and beaches :

How did Russia seize Crimea?

In 2013-14, a massive popular uprising gripped Ukraine for weeks, eventually forcing pro-Moscow President Victor Yanukovych from office. Amid the turmoil, Russian President Vladimir Putin pounced, sending armed troops without insignia to overrun Crimea.

Putin later called a re

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