The Sistine Chapel in the Vatican opened for its first mass.
Source
The world's second oldest theme park, Tivoli Gardens, opened in Copenhagen, Denmark.
After six years at war, Japan surrendered, marking the end of World War II.
Richard Branson's attempt at obtaining the fastest Atlantic crossing ended when his speed boat crashed.
The Transcontinental Railroad linking up the East and West halves of the US was completed in Colorado.
Mainz Psalter was published, making it the first book with a printed publication date on it.