The Studentenstam De Delftsche Zwervers (Delft Rovers Student Crew) is a student society in
Delft
Delft () is a city and municipality in the province of South Holland, Netherlands. It is located between Rotterdam, to the southeast, and The Hague, to the northwest. Together with them, it is part of both the Rotterdam–The Hague metropolitan ...
,
Netherlands
)
, anthem = ( en, "William of Nassau")
, image_map =
, map_caption =
, subdivision_type = Sovereign state
, subdivision_name = Kingdom of the Netherlands
, established_title = Before independence
, established_date = Spanish Netherl ...
. Dating from 1915, it is the world's oldest student Scouting group, first as a club for former Scouts, from 1920 as a Rover crew. They are housed in the Scout Centre "
Kruithuis", the monumental
gunpowder
Gunpowder, also commonly known as black powder to distinguish it from modern smokeless powder, is the earliest known chemical explosive. It consists of a mixture of sulfur, carbon (in the form of charcoal) and potassium nitrate ( saltpeter) ...
ammunition dump
An ammunition dump, ammunition supply point (ASP), ammunition handling area (AHA) or ammunition depot is a military storage facility for live ammunition and explosives.
The storage of live ammunition and explosives is inherently hazardous. Th ...
of the
Dutch Republic
The United Provinces of the Netherlands, also known as the (Seven) United Provinces, officially as the Republic of the Seven United Netherlands ( Dutch: ''Republiek der Zeven Verenigde Nederlanden''), and commonly referred to in historiography ...
, designed in 1660 by
Pieter Post
Pieter Post in 1651. Portrait by Pieter Nolpe, detail of a larger work
Pieter Jansz Post (1 May 1608 – buried 8 May 1669) was a Dutch Golden Age architect, painter and printmaker.
Biography
Post was baptised in Haarlem, the son of a ...
. The members are students at the
Delft University of Technology
Delft University of Technology ( nl, Technische Universiteit Delft), also known as TU Delft, is the oldest and largest Dutch public technical university, located in Delft, Netherlands. As of 2022 it is ranked by QS World University Rankings among ...
and other
higher education
Higher education is tertiary education leading to award of an academic degree. Higher education, also called post-secondary education, third-level or tertiary education, is an optional final stage of formal learning that occurs after compl ...
institutions.
History

On
October 11
Events Pre-1600
*1138 – A massive earthquake strikes Aleppo; it is one of the most destructive earthquakes ever.
* 1142 – A peace treaty ends the Jin–Song wars.
*1311 – The peerage and clergy restrict the authority of En ...
1920
Events January
* January 1
** Polish–Soviet War in 1920: The Russian Red Army increases its troops along the Polish border from 4 divisions to 20.
** Kauniainen, completely surrounded by the city of Espoo, secedes from Espoo as its own m ...
the ''Delftsche Zwervers'' were founded as a
Rover crew
Rover Scouts, Rovers, Rover Scouting or Rovering is a program associated with some Scouting organizations for adult men and women. A group of Rovers is called a 'Rover Crew'.
Rovers was originated by The Scout Association, The Boy Scouts Assoc ...
for students. The society succeeded ''De Delftsche Studentenclub van Oud-Padvinders'', ( nl, Delft Student club of former Scouts) which had been formed on
November 8
Events Pre-1600
* 960 – Battle of Andrassos: Byzantines under Leo Phokas the Younger score a crushing victory over the Hamdanid Emir of Aleppo, Sayf al-Dawla.
* 1278 – Trần Thánh Tông, the second emperor of the Trần dy ...
1915
Events
Below, the events of World War I have the "WWI" prefix.
January
*January – British physicist Sir Joseph Larmor publishes his observations on "The Influence of Local Atmospheric Cooling on Astronomical Refraction".
*January 1
...
. Until the end of the 1960s, the society was deeply rooted in
Scouting
Scouting, also known as the Scout Movement, is a worldwide youth Social movement, movement employing the Scout method, a program of informal education with an emphasis on practical outdoor activities, including camping, woodcraft, aquatics, hik ...
, but always critical of the national Scouting organisation. Later the group developed to a
student society
A student society, student association, university society, student club, university club, or student organization is a society or an organization, operated by students at a university or a college institution, whose membership typically consists ...
, albeit still a member of
Scouting Nederland
Scouting Nederland is the national Scout organisation of the Netherlands with approximately 110,000 members (53,324 male and 54,663 female, 87,000 youth members, as of 2010.
The official patron of Scouting Nederland is Queen Máxima, the wife ...
. Taking the founding date as that of ''De Delftsche Studentenclub van Oud-Padvinders'' in 1915, the ''Delftsche Zwervers'' is the oldest student Scouting Group in the world. This title has also been claimed by the
Oxford University Scout and Guide Group, which was founded in 1919 and is certainly the oldest student Scouting Group in the
United Kingdom
The United Kingdom of Great Britain and Northern Ireland, commonly known as the United Kingdom (UK) or Britain, is a country in Europe, off the north-western coast of the European mainland, continental mainland. It comprises England, Scotlan ...
.
The crew was founded as the third Rover crew in the Netherlands. A large influence on the work of the first Rover crews were the books of
John Hargrave
John Gordon Hargrave (6 June 1894 – 21 November 1982), (woodcraft name 'White Fox'), was a prominent youth leader in Britain during the 1920s and 1930s, Head Man of the Kibbo Kift, described in his obituary as an 'author, cartoonist, inve ...
(White Fox). On 11 and 12 June 1921 he was the instructor in a Rover camp in Ommen attended by the ''Delftsche Zwervers''. Despite the "higher" layers thought ''Service'' was more important, ''Woodcraft'' remained in the first years the main part of the program of the Rover crews.
Delftsche Zwervers were important in the organisation of many national and international events, for example the
5th World Scout Jamboree
The 5th World Scout Jamboree (Dutch language, Dutch: ''5e Wereldjamboree'') was the World Scout Jamboree where 81-year-old Robert Baden-Powell, 1st Baron Baden-Powell, Robert Baden-Powell gave his farewell.
Organizational details
The Jamboree (S ...
and the first ''Agoon'', an international camp for
handicapped Scouts, at the "Goudsberg",
Lunteren
Lunteren is a town in Gelderland, the Netherlands. It has a railway station on the line between Amersfoort and Ede.
It is well known for three conference centres in the vicinity, including ''Het Bosgoed'', which mostly hosts academic conferences ...
, Netherlands in 1949.
''Zwervers'' is the literal translation of Rovers, because of its negative associations, hobo, tramps, the age group was later officially named
Voortrekkers, but the ''Delftsche Zwervers'' kept their original name.
The logo is a campfire, for Scouting, on a cog, for engineering.
Housing and activities

Since the mid-1960s, the Delftsche Zwervers, together with some other Scouting Delfland scout groups, are housed in the Scout Centre
Kruithuis in
Delft
Delft () is a city and municipality in the province of South Holland, Netherlands. It is located between Rotterdam, to the southeast, and The Hague, to the northwest. Together with them, it is part of both the Rotterdam–The Hague metropolitan ...
. The Kruithuis is the 17th century
gunpowder
Gunpowder, also commonly known as black powder to distinguish it from modern smokeless powder, is the earliest known chemical explosive. It consists of a mixture of sulfur, carbon (in the form of charcoal) and potassium nitrate ( saltpeter) ...
ammunition dump
An ammunition dump, ammunition supply point (ASP), ammunition handling area (AHA) or ammunition depot is a military storage facility for live ammunition and explosives.
The storage of live ammunition and explosives is inherently hazardous. Th ...
of the
Dutch Republic
The United Provinces of the Netherlands, also known as the (Seven) United Provinces, officially as the Republic of the Seven United Netherlands ( Dutch: ''Republiek der Zeven Verenigde Nederlanden''), and commonly referred to in historiography ...
, designed in 1660 by
Pieter Post
Pieter Post in 1651. Portrait by Pieter Nolpe, detail of a larger work
Pieter Jansz Post (1 May 1608 – buried 8 May 1669) was a Dutch Golden Age architect, painter and printmaker.
Biography
Post was baptised in Haarlem, the son of a ...
. The walled and
moat
A moat is a deep, broad ditch, either dry or filled with water, that is dug and surrounds a castle, fortification, building or town, historically to provide it with a preliminary line of defence. In some places moats evolved into more extensive ...
ed complex consist of a
gatehouse
A gatehouse is a type of fortified gateway, an entry control point building, enclosing or accompanying a gateway for a town, religious house, castle, manor house, or other fortification building of importance. Gatehouses are typically the most ...
, a former
guardhouse
A guardhouse (also known as a watch house, guard building, guard booth, guard shack, security booth, security building, or sentry building) is a building used to house personnel and security equipment. Guardhouses have historically been dormi ...
and various outbuildings, formerly for gunpowder handling and packaging, around a large central pond with two gunpowder storage towers in the middle. In 1998–2000, the Kruithuis complex was restored.
The Delftsche Zwervers are housed in one of the gunpowder storage towers.

From time to time, each member of the Delftsche Zwervers organises an evening programme of his or her personal interest. As a result, the activities are diverse, including
soldering
Soldering (; ) is a process in which two or more items are joined by melting and putting a filler metal ( solder) into the joint, the filler metal having a lower melting point than the adjoining metal. Unlike welding, soldering does not in ...
with
LED
A light-emitting diode (LED) is a semiconductor device that emits light when current flows through it. Electrons in the semiconductor recombine with electron holes, releasing energy in the form of photons. The color of the light (cor ...
s, playing with old computers,
role-playing game
A role-playing game (sometimes spelled roleplaying game, RPG) is a game in which players assume the roles of player character, characters in a fictional Setting (narrative), setting. Players take responsibility for acting out these roles within ...
s,
painting
Painting is the practice of applying paint, pigment, color or other medium to a solid surface (called the "matrix" or "support"). The medium is commonly applied to the base with a brush, but other implements, such as knives, sponges, and ai ...
,
sculpting
Sculpture is the branch of the visual arts that operates in three dimensions. Sculpture is the three-dimensional art work which is physically presented in the dimensions of height, width and depth. It is one of the plastic arts. Durable sc ...
in cellular concrete,
pioneering,
canoeing
Canoeing is an activity which involves paddling a canoe with a single-bladed paddle. Common meanings of the term are limited to when the canoeing is the central purpose of the activity. Broader meanings include when it is combined with other ac ...
. Members frequently go outdoors, for example camping and doing odd jobs on the Scouting campsite
Gilwell Ada's Hoeve or in the winter hiking in the
Ardennes
The Ardennes (french: Ardenne ; nl, Ardennen ; german: Ardennen; wa, Årdene ; lb, Ardennen ), also known as the Ardennes Forest or Forest of Ardennes, is a region of extensive forests, rough terrain, rolling hills and ridges primarily in Be ...
.
One recurring activity is the organisation of the annual camps for children on the Scouting campsite
Gilwell Ada's Hoeve in
Ommen
Ommen () is a municipality and a Hanseatic city in the eastern Netherlands. It is located in the Vecht valley of the Salland region in Overijssel. Historical records first name Ommen in the early 12th century and it was officially founded as ...
, Netherlands. Since their establishment, the ''Delftsche Zwervers'' have aimed to contribute to society by organising activities for children in hardship situations. Beginning in 1922, members went camping with children from the ''Martha Stichtin