Trump did visit China, but not in April. The trip, originally set for around end of March/April, was postponed because of the Iran war, and he was in Beijing on May 14-15, 2026.
The US and Israel opened large-scale strikes on Iran (Operation Epic Fury, which killed Khamenei) on 2026-02-28, about a month after the prediction and before the 2026-03-01 deadline.
As of Oct 2026 the US has not taken over Greenland or Canada; Trump dropped Greenland tariff threats Jan 21, 2026 and is negotiating additional bases there; Alberta's non-binding independence referendum is set for Oct 19, 2026 with polls favoring remaining in Canada.