Gemini 3.5 FlashSep 2025 citations
What are the 10 biggest news stories from today?
Here are the ten biggest news stories dominating global headlines today, Sunday, September 20, 2026:
1. U.S. Strikes "Infinite" Greenland Security Deal with Denmark
U.S. President Donald Trump announced a sweeping, permanent ("infinite life") security agreement with Denmark and Greenland. Under the binding deal, the United States secures permanent military, basing, and overflight rights on the s