The three British Royal Navy M Class submarines (M1-3) developed towards the end of the First World War were fitted with a deck-mounted 30.48-cm (12-in) gun, a weapon more commonly found in turrets on battleships. The diesel-electric powered submarines were 90.5 m (297 ft) long, had a surface displacement of 1,600 tonnes (3.5 million lb), and could travel at 8 knots (15 km/h or 9 mph) submerged and at 14 knots (26 km/h or 16 mph) on the surface. The gun and mounting weighed 129
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The largest calibre guns ever mounted on a ship were the nine 45.7 cm (18 inch) guns installed on the Japanese battleships Yamato and Musashi. The shells weighed 1,452 kg (3,200 lb) and could be fired 43.5 km (27 miles). Yamato and Musashi were the largest battleships ever to sail. Both ships were sunk by American aircraft (in 1944 and 1945) before their massive guns could be fired in anger.
The largest gummy candy weighs 512 kg (1,128 lb 12 oz), which was made by Elisabeth Windisch (Germany) and measured at Schmitt Waagenbau GmbH in Düsseldorf, Germany, on 3 February 2014. The candy took 6 days to set while in cold storage.
The largest guitar ensemble was achieved by 6,346 participants in an event organised by Thanks Jimi Festival, in Wroclaw, Rynek, Poland, on 01 May 2009. The event saw Steve Morse of the band Deep Purple taking part in the record attempt
The largest Stomp performance involved 1,146 people and was achieved by the youth organisation Nordic 4H (Denmark) in Viborg, Denmark, on 28 July 2011. Nordic 4H performed a choreographed rhythmic performance using water cans, buckets and tin cans. The performance lasted for 9 minutes 23 seconds. 4H is a global youth group which promotes leadership, citizenship and life skills through experiential learning programs in 80 countries. The name ‘4H’ originates from the four personal development areas of focus for the organisation: head, heart, hands and
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The largest group of carol singers in multiple locations consisted of 18,100 participants at 196 venues throughout the UK, achieved by Premier Christian Radio (UK) on 18 December 2011.
The largest group of carol singers was 15,674 by CENTI (Colombia) at Simón Bolívar Park in Bogota, Colombia, on 14 December 2013. Rather than engage in a medley, the group chose to sing multiple verses of “Silent Night” in Spanish. The attempt took place as part of CENTI’s annual “Feliz Cumpleaños Jesucristo” Christmas celebration.
The largest group hug consisted of 10,554 people in an event organized by Bear Hug III (Canada) at the Rideau Canal in Ottawa, Ontario, Canada on 7 May 2010.
A total of 1,682 drummers, led by Guildo Horn, (Germany) played a drum roll for 5 min 2 sec, in an event organised by Lebenshilfe-Werke Trier GmbH, Diedenhofener, Germany, on 30 August 2009. Guildo Horn was also a former Eurovision song contestant. The record attempt was in conjunction with the organisers celebrating their jubilee.
The largest hamburger weighed 913.54 kg (2,014 lb) and was prepared by Black Bear Casino Resort (USA), Carlton, Minnesota, USA, on 2 September 2012. The hamburger was topped with 23.81 kg (52.5 lb) of tomatoes, 22.68 kg (50 lb) of lettuce, 27.22 kg (60 lb) of onion, 8.62 kg (19 lb) of pickles, 18.14 kg (40 lb) of American cheese and 7.48 kg (16.5 lb) of bacon.