Spanish reconquest of Mexico

Brazil inception

Thomas Jefferson date of death

Edgar Allan Poe work period (start)

Charles Baudelaire date of birth

Edward Jenner date of death

William Herschel date of death

Maykop time of earliest written record

accordion inception

Guanajuato inception

Tabasco inception

Hermann von Helmholtz date of birth

Victoria Island time of discovery or invention

Dante Gabriel Rossetti date of birth

Patrice de Mac-Mahon, Duke of Magenta work period (start)

Ibadan inception

Vanadzor inception

Abdülmecid I date of birth

Hymn to Liberty inception

rugby union inception

rugby union time of discovery or invention

Johanna Spyri date of birth

Santa Teresa Gallura inception

Monroe Doctrine inception

George Canning date of death

Wilkie Collins date of birth

Independence inception

Peter I Island time of discovery or invention

Randal Cremer date of birth

Symphony No. 9 publication date

Symphony No. 9 date of first performance

Symphony No. 9 inception

Elizabeth Blackwell date of birth

Dagneux inception

Arnold Böcklin date of birth

René Laennec date of death

Washington County inception

Bibb County inception

The Lancet inception

Livingston County inception

Greenville inception

Sullivan County inception

Calhoun County inception

Dixon inception

Sevier County inception

Clay County inception

Houston County inception

Berrien County inception

Lenawee County inception

Marion County inception

Joseph Proust date of death

Lew Wallace date of birth

Morgan County inception

Warren County inception

Decatur inception

Paul Broca date of birth

Scott County inception

Edmonson County inception

Oldham County inception

Greene County inception

Laurel County inception

Carroll County inception

Friedrich August I of Saxony work period (end)

Friedrich August I of Saxony date of death

Sanilac County inception

London Zoo inception

Buddha Loetla Nabhalai date of death

Shelby County inception

Fremantle inception

Ferdinand Cohn date of birth

Henderson County inception

Dyer County inception

Spencer County inception

Edmond François Valentin About date of birth

Holmes County inception

Anderson County inception

Jo Daviess County inception

Delaware County inception

Bartholomew County inception

Jacksonville inception

McNairy County inception

Jacques Charles date of death

Francisco Morazán Department inception

Jean-Baptiste Joseph Delambre date of death

Quincy inception

Johann Matthäus Bechstein date of death

Blue Grotto time of discovery or invention

San Miguel Department inception

Liberty inception

Francisco de Asís, Duke of Cádiz date of birth

Giuseppe Zanardelli date of birth

NGC 504 time of discovery or invention

Ludwig Büchner date of birth

Teresa Cristina of the Two Sicilies date of birth

André-Jacques Garnerin date of death

Clinton inception

Albemarle inception

NGC 6210 time of discovery or invention

Vega de San Mateo, Las Palmas inception

NGC 249 time of discovery or invention

NGC 483 time of discovery or invention

Athens inception

Mangal Pandey date of birth

Hillsboro inception

Museo Egizio date of official opening

Museo Egizio inception

NGC 1792 time of discovery or invention

Royal Institute of Technology inception

Jamestown inception

Kara-Balta inception

Jean-Baptiste Carpeaux date of birth

Grand Duke Konstantin Nikolayevich of Russia date of birth

Encyclopedia Americana publication date

Cárdenas inception

Hamilton inception

NGC 1350 time of discovery or invention

Marble Arch inception

NGC 2291 time of discovery or invention

NGC 4696 time of discovery or invention

Benedetto Cairoli date of birth

Edward Frankland date of birth

NGC 1132 time of discovery or invention

Woodstock inception

Smithville inception

NGC 7049 time of discovery or invention

NGC 7582 time of discovery or invention

Caucasian Imamate inception

De Soto inception

Mackenzie Bowell date of birth

Tuone Udaina date of birth

Camilo Castelo Branco date of birth

Trinity Cathedral inception

Trappe inception

NGC 2002 time of discovery or invention

NGC 2748 time of discovery or invention

NGC 3741 time of discovery or invention

Potemkin Stairs inception

Spencer Fullerton Baird date of birth

Yellow Springs inception

San Bernardo inception

Washington inception

NGC 6362 time of discovery or invention

São João da Boa Vista inception

NGC 1846 time of discovery or invention

NGC 5316 time of discovery or invention

Mineral Point inception

Juan Crisóstomo de Arriaga date of death

Maria Theresia von Paradis date of death

Sophie Gengembre Anderson date of birth

NGC 1929 time of discovery or invention

NGC 2027 time of discovery or invention

Snow-White and Rose-Red publication date

Jean Jacques Régis de Cambacérès date of death

Samuel Baker date of birth

William I, Elector of Hesse date of death

Nubar Pasha date of birth

Amherst College inception

Aleksey Pisemsky date of birth

William Henry Waddington date of birth

Utica inception

NGC 1712 time of discovery or invention

NGC 5929 time of discovery or invention

NGC 6204 time of discovery or invention

Rufus King date of death

Vincenzo Monti date of death

Viktor Rydberg date of birth

Ivan Aksakov date of birth

Henry Raeburn date of death

NGC 6139 time of discovery or invention

Henri Ernest Baillon date of birth

Albert Casimir, Duke of Teschen work period (end)

Albert Casimir, Duke of Teschen date of death

Kuno Fischer date of birth

NGC 4709 time of discovery or invention

Herndon inception

Franciszek Karpiński date of death

Barbara von Krüdener date of death

Pierre Tirard date of birth

Carlo III, Duke of Parma date of birth

Libavské Údolí time of earliest written record

Waterville Valley inception

Monroe inception

heliography time of discovery or invention

National Republican Party inception

Baltimore inception

Aibonito inception

Gustav Heinrich Wiedemann date of birth

thaumatrope time of discovery or invention

Effie Gray date of birth

Mary Ward date of birth

Brockway inception

Greece inception

Charlotte von Stein date of death

Princess Maria Carolina, Duchess of Aumale date of birth

Badian inception

Marie-Denise Villers date of death

New Baltimore inception

Ingram inception

Astronomische Nachrichten inception

Recoleta Cemetery date of official opening

Recoleta Cemetery inception