Home Strange Sounds by Site Sky Noise Europe Mysterious strange sounds in Belgrade Strange Sounds by SiteSky Noise EuropeStrange SoundsStrange Sounds NewsStrange Sounds Video Mysterious strange sounds in Belgrade By Strange Sounds - Mar 1, 2016 0 Share Facebook Twitter Google+ Pinterest Linkedin ReddIt VK Tumblr StumbleUpon Digg WhatsApp Telegram Viber LINE Email Print This mysterious strange sound rang from the sky of Belgrade, Serbia on September 2, 2011 at 2:30 AM. Have you already heard something similar? Follow us: Facebook and Twitter LEAVE A REPLY Cancel reply Please enter your comment! Please enter your name here You have entered an incorrect email address! Please enter your email address here Save my name, email, and website in this browser for the next time I comment. This site uses Akismet to reduce spam. Learn how your comment data is processed. STAY CONNECTED56,991FansLike5,128FollowersFollow6,836FollowersFollow RESEARCHMystery booms and loud noise reports from 1934 to now. Find out the largest list of mysterious booms and rumblings around the world. Strange Sounds from the sky reports from 2008 to August 2015 – The complete list with video links. Find out the largest list of strange sounds in the sky video. SUPPORT STRANGE SOUNDS! BECOME A PATRON Become a Patron!