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।2000
- Millennium World Peace Conference of Religious and Spiritual Leaders New York, USA
2001
- Interreligious Dialogue with the Catholic Archbishop Leonard Faulkner and Heads of Christian Churches of South Australia, Adelaide, Australia
- International & Interreligious World Peace Prayers in numerous cities in Croatia, Austria, Spain, Germany, Slovenia, Hungary, Czech Republic, Slovakia, USA, Canada, Australia, New Zealand and India
- Forum 2000 organised by President Vaclav Havel on behalf of “Human Rights”, Prague, Czech Republic
2002
- Earth Dialogues Forum, Speaker on the Spiritual and Religious Leaders Roundtable, Lyon, France
- Interreligious Dialogue with Heads of various denominations (Catholic Church, Anglican Church, Judaism, Islam, Sikh, Baha'i, Unitary Church, and others), Adelaide, Australia World Summit on Sustainable Development, Johannesburg, South Africa
- Inauguration of a Chamber of Slovakian Culture in Sri Vishwa Deep Gurukul Swami Maheshwarananda Ashram Jadan through the ambassador of the Republic Slovakia to India, Ladislav Volko, and the former Defence Minister of Slovakia, Dr Pavol Kanis
- Initiator of the International Conference World Peace and the Message of Mahatma Gandhi under the co-sponsorship of the World Conference on Religion and Peace at UN in Vienna, Austria
- Official visit of Croatian President , Stipe Mesic to Sri Vishwa Deep Gurukul Swami Maheshwarananda Ashram Jadan and inauguration of a Chamber of Croatian Culture
2003
- Meeting with Dr. A. P. J. Abdul Kalam, President of the Republic of India, New Delhi, India
- Initiator of the The World Peace Forum 2003 - Peace, Ethics and Sustainability in Sydney, Australia under the auspices of Australia's former Governor General, Sir William Deane
- Foundation stone ceremony of the Austria Hospital in India that will be built with in the area of Sri Vishwa Deep Gurukul Swami Maheshwarananda Ashram Jadan, in presence of the Ambassador of Austria to India, Her Excellency Dr. Stefan Bastl