First developed in the 1890s, and richly productive in the early 20th century, the Summerland Oil Field was the location of the world's first offshore oil wells, drilled from piers in 1896. (WP:DYK on 5 December 2009)
"At 1:50 pm on December 20, 1951 it became the world's first electricity-generating nuclear power plant when it produced sufficient electricity to illuminate four 200-watt light bulbs."
"It was the first full-length cel-animated feature in motion picture history, as well as the first animated feature film produced in America, the first produced in full color, the first to be produced by Walt Disney, and the first in the Walt Disney Animated Classics canon."
Lizzy Clark ... "was the first actress with Asperger syndrome to portray a fictional character with the condition." (WP:DYK on 22 December 2009)
Jean-Baptiste Denys (1643–1704) was a French physician. Denys administered the first fully documented human blood transfusion on June 15, 1667. (WP:OTD)
The pigeon pea is the first seed legume plant to have its complete genome sequenced.
The record for the world's largest snowman was set in February 1999 in Bethel, Maine. The snowman was named "Angus, King of the Mountain" in honor of the then current governor of Maine, Angus King. It was 113 feet, 7 inches tall and weighed over 9,000,001 pounds.
This record was broken in 2008 when the world's largest snow-woman was constructed, again, in Bethel, Maine. She stood 122 ft, 1 in tall, and was named in honor of Olympia Snowe, a U.S. Senator representing Maine.
"The Halifax Explosion ... is still the world's largest man-made accidental explosion." (WP:OTD on 6 December 2009)
Guiyu Town ... is the largest E-waste site on earth, and was first documented fully in December 2001 by the Basel Action Network in their report and documentary film entitled Exporting Harm.
Shepherds Flat Wind Farm ... is projected to be the largest land-based wind farm in the world when it is completed. (WP:DYK on 20 December 2009)
Zhao Liang is a circus performer from Henan in China. In April 2009, doctors in Tianjin measured his height at 2.46 m (8 ft 1 in); if confirmed, this would make him the tallest living person.
Ridge A is a site in Antarctica that was identified in 2009 as "the coldest, driest, calmest place on earth." (WP:DYK)
Roundhay Garden Scene is an 1888 British short film directed by inventor Louis Le Prince. It was recorded at 12 frames per second, runs for approximately two seconds and is the earliest surviving motion picture.
The Herschel graph is the smallest non-Hamiltonian polyhedral graph. (WP:DYK on 18 October 2009)
"The oldest extant portolan is the Carte Pisane, dating from approximately 1296. The cartographer Angelino Dulcert produced a portolan in 1339."
Fruitadens is currently the smallest known ornithischian dinosaur, with young adults estimated at 65 to 75 centimetres (26 to 30 in) in length and 0.5 to 0.75 kilograms (1.1 to 1.7 lb) in weight. (WP:ITN on 22 October 2009)
Kitti's Hog-nosed Bat is the smallest species of bat and one of the world's smallest mammals.
"Cri-cri (short for cricket) is the smallest twin-engined aircraft in the world." (WP:RD/S)
The Areni-1 shoe is a 5,500-year-old leather shoe ... making it the oldest piece of leather footwear in the world known to contemporary researchers. (WP:ITN in June 2010)
Ibn Battuta ... is considered the greatest traveller of all time. He journeyed more than 75,000 miles (121,000 km), a figure unsurpassed to this day, by any individual.
TOP500 (The TOP500 project ranks and details the 500 most powerful known computer systems in the world.)
The World's 25 Most Endangered Primates is a list of highly endangered primate species selected and published by the IUCN Species Survival Commission Primate Specialist Group (IUCN/SSC PSG), the International Primatological Society (IPS), and Conservation International (CI). (WP:DYK on 18 August 2010)