question: Which happened first the Western Allied invasion of Germany or the Battle of Iwo Jima?
answer: Battle of Iwo Jima
context: Title: Letters from Iwo Jima
  Passage: Letters from Iwo Jima (硫黄島からの手紙 , Iōjima Kara no Tegami ) is a 2006 Japanese-American war film directed and co-produced by Clint Eastwood, starring Ken Watanabe and Kazunari Ninomiya.  The film portrays the Battle of Iwo Jima from the perspective of the Japanese soldiers and is a companion piece to Eastwood's "Flags of Our Fathers", which depicts the same battle from the American viewpoint; the two films were shot back to back.  "Letters from Iwo Jima" is almost entirely in Japanese, although it was produced by American companies DreamWorks, Malpaso Productions, and Amblin Entertainment.  After "Flags of Our Fathers" underperformed at the box office, DreamWorks swapped the United States distribution rights to Warner Bros., who had the international rights.
  Title: Battle of Iwo Jima
  Passage: The Battle of Iwo Jima (19 February – 26 March 1945) was a major battle in which the United States Marine Corps landed on and eventually captured the island of Iwo Jima from the Imperial Japanese Army during World War II.  The American invasion, designated Operation Detachment, had the goal of capturing the entire island, including the three Japanese-controlled airfields (including the South Field and the Central Field), to provide a staging area for attacks on the Japanese main islands.  This five-week battle comprised some of the fiercest and bloodiest fighting of the Pacific War of World War II.
  Title: Western Allied invasion of Germany
  Passage: The Western Allied invasion of Germany was coordinated by the Western Allies during the final months of hostilities in the European theatre of World War II.  The Allied invasion of Germany started with the Western Allies crossing the Rhine River in March 1945 before fanning out and overrunning all of western Germany from the Baltic in the north to Austria in the south before the Germans surrendered on 8 May 1945.  This is known as the "Central Europe Campaign" in United States military histories.
  Title: Iwo Jima LORAN-C transmitter
  Passage: Iwo Jima LORAN-C transmitter was a LORAN-C transmitter at Iwo Jima, Japan of Grid 9970 at .  The Iwo Jima LORAN-C transmitter had a transmission power of 4 megawatts, which is more than the most powerful broadcasting stations.  The Iwo Jima LORAN-C transmitter had a 411.5 metre (1350 ft) tall guyed mast, which was built in 1963.  A guy wire insulator eyebolt failed sending the insulator crashing into the tower, knocking it out of plumb.  It collapsed in 1964 on repair of the structural damage caused by the insulator.  The collapsing tower killed four construction contract workers, three on the tower and one on the ground.  The collapse also destroyed the transmitter building.
  Title: Iwo Jima (video game)
  Passage: Iwo Jima is a turn-based strategy video game developed and published by Personal Software Services for the Commodore 64 and ZX Spectrum in 1986.  It is the second instalment to the "Strategic Wargames" series.  The game is set during the Battle of Iwo Jima in the Pacific Ocean theatre of World War II and revolves around the United States Marine Corps' objective to secure the island of Iwo Jima from the Imperial Japanese Army.
citations: Battle of Iwo Jima Western Allied invasion of Germany