1620

Pilgrims aboard the Mayflower went ashore at present-day Plymouth, Massachusetts, for the first time.

1913

The first newspaper crossword puzzle, billed as a “Word-Cross Puzzle,” was published in the New York World.

1976

The oil tanker Argo Merchant broke apart near Nantucket Island off Massachusetts almost a week after running aground, spilling 7.7 million gallons of oil into the North Atlantic.

2023

A student opened fire at Charles University in Prague, killing at least 14 people and injuring more than 20 in the Czech Republic’s worst mass shooting. Authorities said the 24-year-old student, who had a license to own eight guns and no criminal record, killed himself as police closed in.