The Brit HaHayal was a Revisionist Zionist association of Jewish

Jews

The Jews , also known as the Jewish people, are a nation and ethnoreligious group originating in the Israelites or Hebrews of the Ancient Near East. The Jewish ethnicity, nationality, and religion are strongly interrelated, as Judaism is the traditional faith of the Jewish nation...

 reservists in the Polish

Poland

Poland , officially the Republic of Poland , is a country in Central Europe bordered by Germany to the west; the Czech Republic and Slovakia to the south; Ukraine, Belarus and Lithuania to the east; and the Baltic Sea and Kaliningrad Oblast, a Russian exclave, to the north...

 Army formed in December, 1932 in Radom

Radom

Radom is a city in central Poland with 223,397 inhabitants . It is located on the Mleczna River in the Masovian Voivodeship , having previously been the capital of Radom Voivodeship ; 100 km south of Poland's capital, Warsaw.It is home to the biennial Radom Air Show, the largest and...

. The first branch was established Warsaw

Warsaw

Warsaw is the capital and largest city of Poland. It is located on the Vistula River, roughly from the Baltic Sea and from the Carpathian Mountains. Its population in 2010 was estimated at 1,716,855 residents with a greater metropolitan area of 2,631,902 residents, making Warsaw the 10th most...

 in February 1933 with the aim of "taking part in the struggle of the Jewish people for the reconstruction of the Jewish State on both sides of the Jordan.

The first conference of the organisation in Warsaw in October, 1933 was attended by Revisionist leader Ze'ev Jabotinsky and 1500 delegates from 170 branches.

In response to growing antisemitism Brit HaHayal assumed a role in organising units for the defence of Jews and Jewish culture and property in Poland in addition to maintaining its original Palestine

Palestine

Palestine is a conventional name, among others, used to describe the geographic region between the Mediterranean Sea and the Jordan River, and various adjoining lands....

-centred programme.

At the first world conference in Krakow

Kraków

Kraków also Krakow, or Cracow , is the second largest and one of the oldest cities in Poland. Situated on the Vistula River in the Lesser Poland region, the city dates back to the 7th century. Kraków has traditionally been one of the leading centres of Polish academic, cultural, and artistic life...

 in January, 1935 delegates endorsed a proposal to establish regional military and political training schools for members. The organisation itself was also modelled on a military unit and was based on strict discipline and a clear chain of command.

By 1939 Brit HaHayal had 25,000 members worldwide. The world commander of the organisation was Jeremiah Halpern

Jeremiah Halpern

Captain Jeremiah Halpern was a Revisionist Zionist leader in Palestine who first came to prominence when he served as aide de camp to Ze'ev Jabotinsky in the 1920s when the latter was head of the Haganah in Jerusalem.Halpern, a certified ship's captain, was known as Rav...

, a certified ship's captain and seasoned Revisionist leader.