<Li> Attack on Truk Island 17--18 February 1944 </Li> <Li> Mariana and Palau Islands campaign 1944 <Ul> <Li> Battle of Saipan 15 June 1944 </Li> <Li> Battle of the Philippine Sea 19--21 June 1944 </Li> <Li> Battle of Guam 21 July 1944 </Li> <Li> Battle of Tinian 24 July 1944 </Li> <Li> Battle of Peleliu 15 September 1944 </Li> <Li> Battle of Angaur 17 September 1944 </Li> </Ul> </Li> <Ul> <Li> Battle of Saipan 15 June 1944 </Li> <Li> Battle of the Philippine Sea 19--21 June 1944 </Li> <Li> Battle of Guam 21 July 1944 </Li> <Li> Battle of Tinian 24 July 1944 </Li> <Li> Battle of Peleliu 15 September 1944 </Li> <Li> Battle of Angaur 17 September 1944 </Li> </Ul> <Li> Battle of Saipan 15 June 1944 </Li>

Where did the major battles in the european theater take place