Flag for peace: 600 cities take a stand against nuclear weapons

Flag for peace: 600 cities take a stand against nuclear weapons

On July 8, 2025, the time had come: in more than 600 cities in Germany, including Zella-Mehlis and Suhl, the flags of the organization “Mayors for Peace” flew proudly in front of the town halls. With this impressive campaign, the cities are sending a strong signal for peace and a commitment to nuclear disarmament. The initiative, which was launched in 1982 by the mayor of Hiroshima, has now developed into a global network. It covers over 8,480 cities in 166 countries, including around 900 in Germany, and aims to prevent the use of nuclear weapons and promote peaceful coexistence.

A look back at the past

The importance of this event cannot be underestimated, especially in light of the tragic events 80 years ago. On August 6th and 9th, 1945, Hiroshima and Nagasaki were attacked with atomic bombs. The memory of this is a warning sign for the survivors and all of humanity. These atrocities serve as a dire warning about the consequences of the use of nuclear weapons. Current geopolitical developments, such as the impending suspension of the New START Treaty between the USA and Russia at the beginning of 2024, also cast a shadow on the prospects for future disarmament. In this regard, survivors of the disaster said that lessons of the past must be learned to avoid a repeat of such tragedies. The static figures from the Stockholm International Peace Research Institute (SIPRI) currently list around 12,241 nuclear warheads worldwide, which underlines the urgency of the issue.

An appeal for peace

Against this background, Mayor Marc Buchholz explained that the member cities of “Mayors for Peace” are firmly determined to prevent the use of nuclear weapons. Flag Day also commemorates the legal opinion of the International Court of Justice of July 8, 1996: The use of nuclear weapons therefore violates international law and illustrates the international legal obligation for nuclear disarmament under international control.

The current geopolitical situation, in which nuclear powers are modernizing their arsenals, especially China's, raises the risk of a new nuclear arms race. A circumstance that the organization and its members vigorously denounce and work tirelessly for.

The Flag Day, in which more than 600 German cities took part, is a sign of life for the efforts to maintain peace and stand up for respectful coexistence. The global community is called upon to face these challenges, learn from the past and shape a peaceful future.

The message is clear: peace is not only desirable, but essential. By flying this flag, cities like Zella-Mehlis and Suhl show that they care about peace and that the memory of the tragic events of Hiroshima and Nagasaki continues to be important. At a time when geopolitical tensions are increasing, such signs are more important than ever.

These actions remind us that every individual and every city can do their part to ensure security and peace. May we all have a good hand for peace and disarmament.

Further information on the background to these actions can be found at in southern Thuringia, Mülheim Ruhr and Mirror.