US President Trump delivered a speech at the UN General Assembly, emphasizing American strength and confronting the common enemy of all mankind, issuing stern warnings against Iran, nuclear proliferation, and geopolitical challenges.
Trump officially signed a milestone security agreement on Greenland with the Prime Minister of Denmark and the Prime Minister of Greenland, expanding the permanent U.S. military presence in the Arctic and excluding non-NATO countries from establishing bases.
On September 20, North Korea fired an unidentified projectile toward the Sea of Japan. Subsequently, North Korean state media announced the successful testing of a new important combat weapon system and released photos.
China test-fired an intercontinental-range ballistic missile without a warhead. The US State Department criticized Beijing's rapid and opaque nuclear weapons expansion and urged China to engage in arms control discussions.
The US men's national soccer team was eliminated from the World Cup in the Round of 16 after a 1-4 loss to Belgium, ending their journey in this tournament.
Iran seized a Qatari liquefied natural gas (LNG) tanker near the Strait of Hormuz, causing international oil prices to rise.
The U.S. Treasury Department has revoked a temporary license previously issued to Iran that authorized it to produce, transport, and sell oil.
NATO Secretary General Mark Rutte has announced a series of multi-billion dollar new defense deals aimed at strengthening the military capabilities of allies and persuading member states to increase defense spending.
U.S. President Trump stated he would consider selling F-35 fighter jets to Turkey and reiterated that Greenland should be under U.S. control, accusing Denmark of insufficient investment in ensuring Greenland's security.
Japanese journalist Akio Yaita was attacked after a speech in Taichung, Taiwan. The Taiwanese government stated that this case is the first instance of transnational repression since the implementation of the Chinese Patriotic Education Law.
U.S. Senator Tammy Duckworth arrived in Taiwan for a visit, meeting with President Lai Ching-te and other leaders, and emphasized the importance of the U.S.-Taiwan partnership for regional security.
China has released its first official Arctic white paper, putting forward its political claims as a 'near-Arctic state,' asserting that wherever there are interests, there is a right to participate in Arctic governance and resource acquisition, with the goal of becoming a polar great power by 2030.