On This Day: 19th December!

in 1776:

Thomas Paine publishes "The American Crisis," a key rallying point during the American Revolution. 

in 1843: 

"A Christmas Carol," the famous novella by Charles Dickens, was first published in London. It became one of the most enduring Christmas stories and contributed to the revival of Christmas traditions. 

in 1961:

Goa Liberation Day: Indian forces liberate Goa, Daman, and Diu from Portuguese rule after 450 years of occupation.

in 1972:

Apollo 17, the final mission of NASA's Apollo program, landed back on Earth, marking the conclusion of the manned moon exploration missions.

in 1998:

The United States House of Representatives approved two articles of impeachment against President Bill Clinton, marking the second time in U.S. history that a president had been impeached.

in 2001:

The Fellowship of the Ring, the first film in the Lord of the Rings trilogy, premieres in theaters, launching a cultural phenomenon.

While these events may vary in their impact and significance, they collectively contribute to the historical importance of December 19th in various domains and please feel free to cross-check these facts!