The Republic of Ezo, a separatist Japanese state, was established on the island of Ezo, Japan.
The sweeping machine (vacuum cleaner) was patented in Chicago, US, by Ives W. McGaffey.
The Golden Spike was driven.
The Cincinnati Red Stockings played their first game, winning with 45-9 against the Great Westerns of Cincinnati.
George Westinghouse Jr. patented steam power brake devices in the US.
The Hudson Bay Company gave up its territory to the Commonwealth of Canada.
The existence of the giant panda became known to the Western world after French Armand David received a giant panda's skin from a hunter.
Dmitri Mendeleev presented the first periodic table.
The world's largest golden nugget was discovered.
Feminist Elizabeth Cady Stanton became the first woman to testify before Congress.