December 11

1839  Diplomats from Texas arrive in Mexico City with portfolios to negotiate for peace.  Attribution:  On This Day.

1869  The Territorial Legislature concluded its session.

1872  William F. Cody makes his first appearance on the stage in the play Scouts of the Prairie, in Chicago.

1873  The Territorial legislature approved the incorporation of Evanston.  It would later rescind it, and then approve it again. Attribution.  On-This-Day .com.

1875  The Territorial Legislature appointed a commission to study prison costs in regards to Laramie as the prison location.  It determined that cost savings justified appointing the Nebraska penitentiary as the Wyoming Territorial prison facility at the time.

1917  Dean Knight Resigned as Dean of the University of Wyoming, December 11, 1917.

The minutes of that meeting:

Minutes

Knight Hall is of course named for him.

1917  Rawlins struck with disaster when its hospital burned.  Attribution, Wyoming State Historical Society.

1936 Britain's King Edward VIII abdicated the throne in order to marry American divorcee Wallis Warfield Simpson.  They had been introduced by Wyomingite Mildred Harris.

1941  Germany and Italy declared war on the United States.  The United States declared war on Germany.   Polish government in exile declares war on Japan.  The Dutch government in exile declares war on Italy.  Mexico breaks relations with Germany and Italy.  Italy, Japan and Germany sign an agreement that none shall sign a separate peace with the US and UK.

1952  Boysen Dam declared operational.