February20
Medieval
787
Culture
Second Council of Nicaea Convenes

Convened by Empress Irene and Patriarch Tarasios, the council reversed decades of imperial policy that had banned religious images as idolatrous. It affirmed that icons could be venerated, though not worshipped as divine, distinguishing veneration from worship in a doctrine that shaped Orthodox Christian practice for the following twelve centuries.

19th Century
1839
Culture
Louis Daguerre's Process Unveiled to a Wider Public

Following the process's formal announcement to the Academy weeks earlier, February drew wide public and scientific attention to Louis Daguerre's method of fixing images on silvered copper plates. Word spread rapidly, and within months amateurs and entrepreneurs across Europe and America were building cameras and buying chemicals to try the astonishing new art of capturing a fixed image from life.

World Wars Era
1945
World War II
Marines Storm Iwo Jima

Under Mount Suribachi's watch, the 3rd, 4th, and 5th Marine Divisions landed on a tiny island honeycombed with Japanese tunnels and pillboxes. General Tadamichi Kuribayashi had ordered his 21,000 men to fight from fortified positions rather than die in futile beach charges, turning the eight-square-mile island into a five-week meat grinder that produced more Medals of Honor than any other battle in Marine Corps history.

Cold War & Space Age
1962
Space
Glenn Orbits the Earth
2:47 PM

Launched from Cape Canaveral atop an Atlas rocket, Glenn's Mercury capsule Friendship 7 completed three orbits at roughly 17,500 mph, restoring American confidence badly shaken by Soviet spaceflight firsts. A sensor falsely indicated his heat shield was loose, prompting ground controllers to leave the retrorocket pack attached during reentry as a precaution, adding a tense final descent to an otherwise triumphant flight.

1972
Politics
Nixon's China Visit Begins

Nixon's arrival, broadcast live to American television audiences, marked the first visit by a sitting U.S. president to the People's Republic of China. Engineered secretly by National Security Advisor Henry Kissinger through back-channel talks in Pakistan, the trip reshaped Cold War geopolitics by opening a strategic wedge between Beijing and Moscow.

Modern
2011
Politics
Bahrain Protesters Retake Pearl Roundabout

Days after a deadly crackdown had cleared the square, demonstrators streamed back into Pearl Roundabout demanding political reform and the release of prisoners. The reoccupation marked a tense, temporary victory for Bahrain's protest movement before a Saudi-led intervention in March crushed the uprising and the monument itself was later demolished.