I want you to follow @historycalendar if you: ✅ love learning obscure historical trivia ✅ want to learn the hard truths of history ✅ discover often overlooked historic figures ✅ enjoy threads… ✅ literally anything history related Like that? Then @historycalendar would appreciate your follow!

Heading to Kinderhook on Friday to check out the home of Martin Van Buren! Will share posts from the trip. 🚗

Abraham Lincoln, photographed at the start of his presidency in 1861.

Inventor Chester E. MacDuffee stands next to one of the first atmospheric diving suits. The suit weighed around 550 pounds, 1911.

William Hope (1863-1933) was a pioneer of so-called “spirit photography”, in which he would use trick photography to capture the living with the recently departed. Here is one such example supposedly showing a couple with the “spirit” of their deceased daughter.

October 21, 1895 — The Republic of Formosa collapses as Japanese forces invade.

Nancy Reagan admiring the nose of the Columbia space shuttle as Ronald Reagan speaks with two NASA astronauts, 1982.

October 21, 1879 — Thomas Edison applies for a patent for his design for an incandescent light bulb.

October 21, 1867 — The Medicine Lodge Treaty is signed by southern Great Plains Indian leaders. The treaty requires Native American Plains tribes to relocate to a reservation in the western Indian Territory.

October 21, 1805 — Napoleonic Wars: A British fleet led by Lord Nelson defeats a combined French and Spanish fleet under Admiral Villeneuve in the Battle of Trafalgar.

October 21, 1774 — The flag of Taunton, Massachusetts is the first to include the word "Liberty".

The expanding fireball and shockwave of the atomic bomb seen at .025 seconds after detonation. New Mexico Dessert, July 16 1945.

October 21, 1600 — Tokugawa Ieyasu defeats the leaders of rival Japanese clans in the Battle of Sekigahara and becomes shōgun of Japan.

October 21, 1520 — João Álvares Fagundes discovers the islands of Saint Pierre and Miquelon, bestowing them their original name of "Islands of the 11,000 Virgins".

October 21, 1392 — Japanese Emperor Go-Kameyama abdicates in favor of rival claimant Go-Komatsu.

October 21, 1097 — First Crusade: Crusaders led by Godfrey of Bouillon, Bohemund of Taranto, and Raymond IV, Count of Toulouse, begin the Siege of Antioch.

October 21, 1096 — A Seljuk Turkish army successfully fights off the People's Crusade.

A daguerreotype photograph of the Nobel House in Turku from 1842. It is the earliest surviving photograph to have been taken in Finland.

October 21, 2005 -- Images of the dwarf planet Eris are taken and subsequently used in documenting its discovery.

October 21, 1983 -- The metre is defined as the distance light travels in a vacuum in 1/299,792,458 of a second.

October 21, 1959 -- President Eisenhower approves the transfer of all US Army space-related activities to NASA, including most of the Army Ballistic Missile Agency.