After months of escalating tensions between North Korea and the United States, officials made a stunning announcement on Thursday: Kim Jong-un, the North’s leader, had invited President Trump to meet and discuss his country’s nuclear program — and Mr. Trump accepted.

The report is particularly surprising given that no sitting American president has ever met with a North Korean leader, and that Mr. Trump himself had ruled out direct talks unless North Korea agreed to take measurable steps toward relinquishing its nuclear arsenal.

That, and for the last year, the two leaders have been trading insults. Here are some of the most notable things Mr. Trump and Mr. Kim have said about each other.

(If you’d like to know more about today’s news, here’s our article and a transcript of the announcement.)