The world record for the largest published arrow-word puzzle is 1 m 3 cm x 3m 45 cm (4 ft 3 in x 11 ft 3 in) it contains 16,000 blocks and has 3,200 clues. It was published by Revistas Coquetel (Brazil) in Rio de Janeiro, Brazil on 9 March 2006.
The largest province in China is Qinghai, with a total area of 721,000 km2 (278,000 mi²).
Saudi Arabia has more proven oil reserves than any other country, with 264.1 billion barrels, or almost 20% of the world’s proven reserves, as of 2010. Second is Canada, with 178.1 billion barrels of oil reserves.
The largest pyramid, and the largest monument ever constructed, is the Quetzalcóatl Pyramid at Cholula de Rivadavia, 101 km (63 miles) south-east of Mexico City. It is 54 m (177 ft) tall, and its base covers an area of nearly 18.2 ha (45 acres). Its total volume has been estimated at 3.3 million m³ (166,538,400 ft³)compared with the current volume of 2.4 million m³ (84,755,200 ft³) for the Pyramid of Khufu or Cheops.
The largest pushpin mosaic measures 9.35 m (30 ft 8 in) by 6.7 m (21 ft 11 in) and consisted of 3.7 million pins. It was created by the Junior Chamber International JB Entrepreneur (Malaysia) between 15 August 2008 and 10 May 2009. The artwork was divided into 144 different boards which were then attached together to create the mosaic. It took 210 participants to complete it.
The largest raft race involved 1,214 participants on 607 rafts and was organised by Gonnado GmbH (Switzerland) in Bern, Switzerland, on 20 August 2011. 1,400 participants started the race however some did not finish leaving a total of 1,214.
The RATAN-600 radio telescope completed in the Northern Caucasus, USSR in 1976 has 895 metal mirror panels mounted in a circle 576 m (1,890 ft) across. The reflecting panels are adjustable to allow radiation to be directed into a point where it is captured by a central cone-shaped reflector that directs it downwards into scientific instruments.
The US Missile Defense Agency’s Sea-Based X-Band Radar (SBX) is the largest phased array X-band radar in the world – in other words, each of the radar’s antennae are individually controlled by its own computer and operates within the X-ray band of the electromagnetic spectrum. Being designed to move around the Pacific Ocean, the actual radar is carried by a mobile, ocean-going semi-submersible oil platform, the entirety of which measures 73 m (240 ft) wide, 118 m (390 ft) long, 85 m(280 ft or 26
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The largest rabbit made of chocolate weighed 3,010 kg (6,635 lb 91 oz) and was made by Duracell South Africa in Sandton City, Gauteng, South Africa, on 19 March 2010. The chocolate Easter bunny measured a height of 3.8m (12 ft) and was sculpted in under 3 days and was made by a team of 4 people in time for the Easter celebrations.
The largest quiz ever held involved 2,280 participants in an event called ‘Quiz for Life’, organised by IML (Belgium) and held at the Flanders Expo in Ghent, Belgium, on 11 December 2010. A total of 2,399 people took part in the quiz at any one time but not all participated at all times or were in even teams.