1840 Krisis Oriental 1840 1840-an Sensus Amerika Serikat 1840 Sepak bola dalam tahun 1840-an Victoria, Permaisuri Jerman Heros (ikan) Dingane kaSenzangakhona Friedrich Wilhelm III dari Prusia Mirza Nasrullah Khan Krisis Rhein Horace Capron Jr. Arakaki Seishō Louis-Émile Bertin Pangkalan Hindia Timur dan Tiongkok Ophidiasteridae Dominique Jacques de Eerens Anoplodermatinae Lemuel F. Holland Wilhelm Friedrich Kohlrausch Louis-Nazaire Bégin Hyacinthe Henri Boncourt Sengek Beta Theta Pi Sisowath dari Kamboja Squire E. Howard John Goodwyn Barmby Maria Christina dari Dua Sisilia Basilio Augustín George Smith (sejarawan) Kuroda Kiyotaka Milnes…

sium tardigradum Pertempuran the Barrier Kongres Amerika Serikat ke-26 Edward Henry Palmer Károly Hornig Stephen Min Kuk-ka Sir Henry Smith Güllü Agop Raja Willem Peristiwa Damaskus Sciades (ikan) Charles George Herbermann Henry A. Hammel Mikael Logue Edward N. Whittier Amilcare Malagola Manyung Ernst Abbe Jean-Étienne Dominique Esquirol John W. Blunt Penny Black Cabanagem Wilhelm Dittenberger 1843 Fulco Luigi Ruffo-Scilla Augustus Barry Stasiun Sengen-chō Mansukhram Tripathi Lars Fredrik Nilson Begonia homonyma André Gill Karl Ferdinand von Gräf

e James Prinsep 1845 Eugene W. Austin Alessandro Sanminiatelli Zabarella George Henry Horn Maria Yi In-dog Thomas Perronet Thompson Charlotte dari Belgia 1841 Philip Petty Heinrich von Angeli 1842 Johann Friedrich Blumenbach Daftar gempa bumi di Armenia Ferdinand August Bebel Adolf Bernhard Meyer William P. Hogarty Titu Maiorescu Alodie-Virginie Paradis Bulbophyllum limbatum Benteng Mont-Valérien National Anti-Slavery Standard Conrad Homan 1849 Bulbophyllum sordidum Gaines Lawson Buprestis catoxantha Philip Goettel Jacob Cornelis van Rijneveld Carl Menger Begonia barkeri Charles Mattocks Petrus Hong Pyong-ju 1847 Sciades