[Game] Count to 10,000

[The Investigator]

1846 - Pope Pius IX succeeds Pope Gregory XVI as the 255th pope.

[Spock]

1847 U.S. general Winfield Scott enters Mexico City, marking the end of organized Mexican resistance in the US-Mexican War.

[The Investigator]

1848  Karl Marx and Friedrich Engels publish the Communist Manifesto.

[Spock]

1849 Zachary Taylor refuses to be sworn in office on a Sabbath (Sunday). Urban legend holds that David Rice Atchison, President pro tempore of the United States Senate was President de jure for a single day.

[The Investigator]

1850: World Population: 1.2 billion (approximate).

[Spock]

1851 The flip of a coin determines whether a new city in the Oregon Territory is named after Boston, Massachusetts, or Portland, Maine, with Portland winning.

[The Investigator]

1852 - Franklin Pierce is elected as the 14th President of the United States.

[Spock]

1853 Potato chips are first prepared.

[The Investigator]

1854: The Republican Party (United States) is founded in Ripon, Wisconsin.

[Spock]

1855 The U.S. Congress appropriates $30,000 to create the U.S. Camel Corps.

[The Investigator]

1856: Christchurch, New Zealand is chartered as a city.

[Spock]

Panic of 1857 begins: Speculation in U.S. railroad shares and collapse of the Ohio Life Insurance and Trust Company trigger a financial crisis which will extend to Europe.

[The Investigator]

1858: Papers by Darwin and Wallace announcing a theory of evolution by natural selection are read at London's Linnean Society

[Spock]

1859 U.S. Congressman Daniel Sickles shoots Philip Barton Key for having an affair with his wife.

[The Investigator]

1860 -  Abraham Lincoln is elected as the 16th President of the United States.