I am sorry, but as an AI language model, I don't have the capability to browse the internet and access the latest Missouri history. However, I can provide some interesting general facts about December 20:

1. December 20 is the 354th day of the year, which means there are only 11 days left until the end of the year.
2. In 1952, the famous poet Langston Hughes received a Julius Rosenwald Fellowship award on December 20th.
3. On December 20th, 1803, the Louisiana Purchase was finalized, transferring the ownership of the vast territories west of the Mississippi River from France to the United States.
4. December 20th is also the day when the longest night of the year takes place in the Northern Hemisphere, also known as the winter solstice.
5. In 1989, the US invaded Panama on December 20th to overthrow the regime of dictator Manuel Noriega.