Historical clue formulations

• ___ und Drang — 2018-09-12
• Agitation overseas — 2014-06-06
• Tempest, to Theodor — 2013-10-25
• With 40- and 41-Across, 18th-century literary and musical movement — 2012-08-22
• Drang's counterpart — 2008-06-08
• Drang's counterpart — 2004-10-13
• It brings rain to the Rhein — 2003-01-19
• Rhein showers? — 2003-01-11
• ___ und Drang — 1999-01-26
• It may produce Donner und Blitz — 1997-04-05
• Drang's partner — 1994-05-03