Confusion between Afghanistan and Syria: In August 2021, while addressing the nation about the withdrawal of troops from Afghanistan, President Biden accidentally referred to "Afghanistan" as "Syria" in his speech.
Mispronunciations and slips of the tongue: President Biden has been known to mispronounce words or get them mixed up during his speeches. While these are relatively common occurrences for anyone, they have sometimes raised concerns in the public sphere.
Mixing up names and titles: On some occasions, President Biden has mixed up the names of his team members or referred to them with incorrect titles, which has led to questions about his memory.
and I do not have access to events or developments that may have occurred after that date. For the most current information, I recommend checking reliable news sources.