विश्वशान्ति की प्रगति और इस विषय में जनता में जागरूकता बनाने के लिए परमहंस स्वामी महेश्वरानंदजी ने विश्वभर के धर्मिक गुरुओं और जननेताओं के बीच सम्वाद करवाये हैं और धर्म एवं जनता के प्रतिनिधियों के साथ विश्वशान्ति के लिये प्रार्थनाएँ आयोजित की हैं । स्वामीजी अन्तर्राष्ट्रिय सम्मेलनों और सभाओं में लगातार सक्रियता से भाग लेते रह्ते हैं।
2004
- Guest of honour at International Conference on World Peace in Ahmedabad, India
- Guest of Honour at YOGACON 2004 - International Yoga Conference in Jaipur, India
- Meeting with the Premier of South Australia, Hon. Mike Rann, discussing a possible co-operation in projects of reforestation and rainwater harvesting, Australia
- Participation in the Assembly of Montserrat and in the Parliament of the World's Religions, Barcelona, Spain
- Initiator of International World Peace Summit and the Message of Mahatma Gandhi, in Brno, Czech Republic
2005
- Guest of honour at the Pravasi Bhartiya Divas - Conference of non- resident Indians, Bombay, India
- Special guest invited by the Chief Minister of Gujarat, Mr. Narendra Modi, at the Vibrant Gujarat Conference, Ahmedabad, India
- International Conference on Environment and Sustainable Health at Om Vishwa Deep Gurukul Swami Maheshwaranananda Ashram Education & Research Center, inaugurated by the Minister of Environment in Rajasthan, Sri Laxmi Narayan Dave, India
- Initiator of a multi-faith gathering, Brisbane, Australia
- International World Peace Summit – The Message of Sri Swami Madhavananda and Mahatma Gandhi, Zagreb, Republic of Croatia
- Planting a Peace Trees in Zagreb, Čakovec and Split
2006
- Initiator of the International Youth Conference on Environmental Protection, Jadan, India. Speakers: H.H. Gaj Singh, Maharaja of Jodhpur, High Court Judges, Politicians and Educators and the youth of Vishwadeep Gurukul Vidyale, Jadan.
- Guest of honour at the Word Council of Elders of the Ancient Traditions and Cultures, Jaipur, India
- Planting of a Peace Tree in Split, Croatia
- 4th International Youth Conference, Zlin, Czech Republic
- International World Peace Summit – The Message of Sri Swami Madhavananda and Mahatma Gandhi, Ljubljana, Republic of Slovenia