The diplomatic road that paved the way for a planned Trump-Putin meeting on Ukraine

President Donald Trump is set to meet Russian President Vladimir Putin in latest bid by the White House to broker an end to the 3-year-old war in Ukraine. Putin's foreign affairs adviser Yuri Ushakov said Thursday a meeting could take place as early as next week, although he noted that such events take time to organize.

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No date is confirmed. He also played down the possibility of Ukrainian President Volodymyr Zelenskyy joining the summit. A meeting between Putin and Trump would be the first U.S.-Russia summit since former President Joe Biden met with the Kremlin leader in 2021. There's no guarantee a TrumpPutin meeting would lead to the end of the fighting, since Moscow and Kyiv remain far apart on their conditions for peace. Key events that shaped efforts to end the war since Russia launched its full-scale invasion of Ukraine on Feb.

24, 2022: Feb. 28, 2022: Ukrainian and Russian delegations meet in neighboring Belarus for the first time since the invasion. Talks continue for the next two weeks, but no agreements emerge other than a decision to set up humanitarian corridors for civilians.

March 21, 2022: Zelenskyy calls for direct talks with Putin but is rebuffed by Russian Foreign Minister Sergey Lavrov. A day later, Zelenskyy says he is prepared to discuss a commitment for Ukraine to not to seek NATO membership in exchange for a ceasefire, the withdrawal of Russian troops and a guarantee of Ukraine's security.