On February 13th:

 1633  Galileo Galilei Arrives in Rome for His Trial Before the Inquisition

On February 13th, 1633, Galileo Galilei, the renowned Italian astronomer, arrived in Rome to face trial before the Roman Inquisition for advocating heliocentrism, the theory that the Earth revolves around the sun.

 1945  The Bombing of Dresden Begins During World War II

The Allied forces began a series of bombing raids on February 13th, 1945 on the German city of Dresden, resulting in widespread destruction and loss of life.

2000  The Last Original “Peanuts” Comic Strip is Published

A beloved comic strip came to an end on February 13th, 2000, as the last original “Peanuts” comic strip, created by Charles M. Schulz, was published posthumously. The strip had entertained readers for over 50 years.