The general debate of the 81st session of the United Nations General Assembly opens on Tuesday, September 22, in New York, with about 130 heads of state and government registered through September 28 under the theme “Restoring trust, managing transformation: a United Nations that delivers for all” and under the presidency of Bangladesh’s Khalilur Rahman, according to the UN.

By tradition Brazil speaks first, with President Luiz Inácio Lula da Silva, followed by US President Donald Trump; Turkey’s President Recep Tayyip Erdoğan speaks fourth, after King Abdullah II of Jordan, and French President Emmanuel Macron also addresses the hall on the first day, according to the Associated Press. Secretary-General António Guterres delivers his final opening address of a term that ends on December 31. Ukrainian President Volodymyr Zelensky and Iranian President Masoud Pezeshkian speak on Wednesday, September 23, and Israeli Prime Minister Benjamin Netanyahu and Palestinian Authority President Mahmoud Abbas speak the next day, Abbas by video, after Washington denied him a visa for a second consecutive year, according to the Associated Press. The Gulf war, artificial intelligence and climate change dominate the week.