International Day for Biological Diversity – This day is observed to raise awareness about the importance of biodiversity and its conservation.
International Day for Cultural Diversity – This day is observed to promote the understanding of the value of cultural diversity and the need to live in harmony with each other.
World Goth Day – This day is dedicated to the goth subculture and its influence on music, fashion, and art.
International Day of Light – This day aims to celebrate the role of light in science, culture, and art and promote its importance in various fields.
National Maritime Day (USA) – This day is observed to honor the contributions of the American merchant marines and the maritime industry.
1176: The Hashshashin (also known as the Assassins) attempt to assassinate Saladin, the Muslim leader, in his tent but are unsuccessful.
1455: The first printed book, the Gutenberg Bible, is completed by Johannes Gutenberg in Mainz, Germany.
1762: Sweden and Prussia sign the Treaty of Hamburg, ending the Pomeranian War.
1807: Former U.S. Vice President Aaron Burr is indicted for treason, accused of plotting to annex parts of Louisiana and Mexico to create an independent republic.
1849: Abraham Lincoln receives a patent for a device to lift boats over shoals and obstructions in a river.
1906: The Wright brothers are granted U.S. Patent No. 821,393 for their “Flying-Machine”.
1960: An earthquake of magnitude 9.5 strikes southern Chile, the strongest earthquake ever recorded.
1990: North and South Yemen merge to become the Republic of Yemen.
2010: The largest bank heist in history occurs in Baghdad, Iraq, where gunmen steal nearly $1 billion from the central bank.
