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“This is truly a historic moment for Finland, for Sweden, for NATO — and for our shared security,” Secretary General Jens Stoltenberg said. He said the alliance’s growth from 30 members to 32 would make nations stronger and safer. The signing ceremony follows a decision last week during a NATO summit in Madrid to admit Sweden and Finland, after some wrangling to allay bloc member Turkey’s objections.
The alliance’s enlargement is likely to prove a major irritation to Moscow, which has cited the specter of NATO expansion as justification for the invasion of Ukraine. Russian state media reported that work is underway to ensure the security of Russia’s borders.
Here’s what else to know