sentences:  From 2005 until the 31st December 2009, a member of the administration collectivity Flechtingen.As a result of a "Gebietsänderungsvereinbarung" (an agreement to change territories) the municipal councils of Oebisfelde (on the 27th May 2009), Bösdorf (26 May 2009), Eickendorf (28 May 2009), Etingen (26 May 2009), Kathendorf (19 May 2009), Rätzlingen (27 May 2009), Eschenrode (28 May 2009), Döhren (28 May 2009), Hödingen (20 May 2009), Hörsingen (27 May 2009), Schwanefeld (25 May 2009), Seggerde (26 June 2009), Siestedt (28 May 2009), Walbeck (28 May 2009) and Flecken Werflingen (19 May 2009) agreed to dissolve their municipalities and become entwined with the town of Oebisfelde-Weferlingen.The application was accepted by the commune oversight committee and came into force on the 1st January 2010.