Baltic states
The Baltic states synchronize their electric power transmission infrastructure with the Continental Europe Synchronous Area (CESA), in objective to disconnect from the Russo-Belarussian agreement to use the IPS/UPS system.
36 events · 20 births · 20 deaths · 7 observances. From 1799 to 2025.
Standout on February 9
The Baltic states synchronize their electric power transmission infrastructure with the Continental Europe Synchronous Area (CESA), in objective to disconnect from the Russo-Belarussian agreement to use the IPS/UPS system.
February 9 is the 40th day of the year. These facts are computed from the calendar, not copied from anywhere.
A dated happening — a battle, treaty, launch, discovery, disaster or decision — recorded on this calendar day.
The Baltic states synchronize their electric power transmission infrastructure with the Continental Europe Synchronous Area (CESA), in objective to disconnect from the Russo-Belarussian agreement to use the IPS/UPS system.
Second impeachment trial of Donald Trump begins.
Salvadoran President Nayib Bukele has the army soldiers enter the Legislative Assembly to assist in pushing for the approval for a better government security plan, causing a brief political crisis.
Japanese figure skater Yuzuru Hanyu won the Four Continents Championships to become the only man to complete a Super Slam.
Winter Olympics: Opening ceremony is performed in Pyeongchang County in South Korea.
Two commuter trains collided head-on at Bad Aibling in southeastern Germany, killing 12 people and injuring 85.
The American submarine USS Greeneville collided with the Ehime Maru, a Japanese training vessel operated by a high school, sinking the latter ship and killing nine people on board.
The Ehime Maru and USS Greeneville collision takes place, killing nine of the thirty-five people on board the Japanese fishery high-school training ship Ehime Maru, leaving the USS Greeneville (SSN-772) with US $2 million in repairs, at Pearl Harbor.
Copernicium is discovered by Sigurd Hofmann, Victor Ninov et al.
Researchers at the GSI Helmholtz Centre for Heavy Ion Research in Darmstadt, Germany, first created the chemical element copernicium.
Breaking a seventeen-month ceasefire, the Provisional Irish Republican Army detonated a powerful truck bomb in the London Docklands, killing two people and injuring more than a hundred others.

Dissolution of the Soviet Union: Voters in Lithuania vote for independence from the Soviet Union.
Civil unrest broke out across Palestine.
Halley's Comet last appeared in the inner Solar System.
Japan Air Lines Flight 350 crashes near Haneda Airport in an attempted pilot mass murder-suicide, killing 24 of the 174 people on board.
The Budd Company unveils its first SPV-2000 self-propelled railcar in Philadelphia, Pennsylvania.
The Australian Defence Force (ensign pictured) was formed by the integration of the Australian Army, the Royal Australian Navy, and the Royal Australian Air Force.
Aeroflot Flight 3739, a Tupolev Tu-104, crashes during takeoff from Irkutsk Airport, killing 24.
The spacecraft and crew of the Soviet Soyuz 17 mission returned to earth after 29 days in orbit at the Salyut 4 station.
Satchel Paige becomes the first Negro league player to be voted into the USA's Baseball Hall of Fame.
Apollo program: Apollo 14 returns to Earth after the third human Moon landing.
An earthquake registering 6.6 Mw struck the northern San Fernando Valley near the Los Angeles district of Sylmar, killing 65 people.

Vietnam War: The United States Marine Corps sends a MIM-23 Hawk missile battalion to South Vietnam, the first American troops in-country without an official advisory or training mission.
The Beatles make their first appearance on The Ed Sullivan Show, performing before a record-setting audience of 73 million viewers across the United States.

As Beatlemania swept the United States, the Beatles (pictured) made their first appearance on The Ed Sullivan Show before a record-breaking audience, beginning a musical phenomenon known as the British Invasion.
World War II: Allied aircraft unsuccessfully attacked a German destroyer in Førde Fjord, Norway.
World War II: Allied forces declared Guadalcanal secure, ending the Guadalcanal campaign as a significant strategic victory for Allied forces fighting Japan in the Pacific War.
The Imperial Japanese Army began the Battle of Kranji as part of their campaign to capture Singapore.
Stanley Bruce became prime minister of Australia as leader of the country's first Coalition government.
The Svalbard Treaty was signed in Paris, recognizing Norwegian sovereignty over the Arctic archipelago of Svalbard.
A meteor procession was observed along a great circle arc from Canada to Brazil, leading astronomers to conclude that its source was a small, short-lived natural satellite of the Earth.
More than 3,000 women in London participated in the Mud March (pictured), the first large procession organised by the National Union of Women's Suffrage Societies.
Jefferson Davis was named the provisional president of the Confederate States of America.
A series of hoof-like marks in the snow continuing through the countryside for some 40 to 100 miles (60 to 160 km) were discovered in Devon, England.
After no candidate received a majority of electoral votes in the previous year's presidential election, the United States House of Representatives chose John Quincy Adams (pictured) as president in a contingent election.
Quasi-War: USS Constellation captured the French frigate Insurgente in a single-ship action in the Caribbean Sea.
A notable person born on this day. Each links to a person page with their dates and story.


A notable person who died on this day.
John Gavin, American actor and United States ambassador to Mexico (born 1931)
Sushil Koirala, Nepalese politician, 37th Prime Minister of Nepal (born 1939)
Richard Artschwager, American painter, illustrator, and sculptor (born 1923)
A holiday, feast day, awareness day or national day observed every year on this date.
Ansbert of Rouen
Bracchio
Einion the King (Western Orthodoxy)
Apollonia
Alto of Altomünster
Maron (Maronite Church)

Blessed Anne Catherine Emmerich
Earliest: Quasi-War (1799). Most recent: Baltic states (2025).
February 9 is the 40th day of the year, with 325 days left after it.
February 9 falls under Aquarius (January 20 – February 18), a air sign ruled by Uranus (traditionally Saturn). The birthstone for the month is Amethyst.
We record 83 entries for February 9: 36 events · 20 births · 20 deaths · 7 observances. From 1799 to 2025.
Ryan Coleman-Williams (2007) is among the notable births on February 9. The births section lists the rest.
The day is filled the first time anyone opens it and then re-checked for new entries about every 90 days. Computed facts such as the weekday and the anniversaries update every year.
One short email a day from this calendar. Kept for this site only.
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