After holding up its admission for years, Greece became the first nation Friday to ratify North Macedonia’s membership of NATO after the two states resolved a decades-old name dispute last month.

NATO members signed the accord with North Macedonia this week, days after the Greek parliament endorsed an agreement between Athens and Skopje that changes FYR Macedonia’s name to North Macedonia.

Staring down strong domestic opposition from Greeks worried the Balkan neighbor was appropriating Greek heritage, the government of leftist Greek Prime Minister Alexis Tsipras pushed the name change through parliament on Jan. 25.

Under NATO alliance rules, North Macedonian membership now has to be approved by each member state, giving Greek lawmakers the opportunity for another round of verbal jousting over the controversy.

“I feel we did our patriotic duty. We did what is right,” Tsipras told parliament during a heated debate Friday.

The dispute had frustrated North Macedonian attempts to join the EU and NATO: Greece is a member of both and has veto power over other countries joining.

It also exposed old rivalries with Russia, in a region where Moscow competes for influence with NATO and the EU. Moscow had taken a dim view of the name accord, and of Macedonian membership in NATO. It says the alliance is undermining security in the region by taking in Balkan members.

The accord over the name angered many Greeks who believed the ex-Yugoslav state was hijacking their history with a name linked to the Greek heritage of Alexander the Great, King of Macedon. Greece has a northern province called Macedonia.

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After holding up its admission for years, Greece became the first nation Friday to ratify North Macedonia’s membership of NATO after the two states resolved a decades-old name dispute last month.

NATO members signed the accord with North Macedonia this week, days after the Greek parliament endorsed an agreement between Athens and Skopje that changes FYR Macedonia’s name to North Macedonia.

Staring down strong domestic opposition from Greeks worried the Balkan neighbor was appropriating Greek heritage, the government of leftist Greek Prime Minister Alexis Tsipras pushed the name change through parliament on Jan. 25.

Under NATO alliance rules, North Macedonian membership now has to be approved by each member state, giving Greek lawmakers the opportunity for another round of verbal jousting over the controversy.

“I feel we did our patriotic duty. We did what is right,” Tsipras told parliament during a heated debate Friday.

The dispute had frustrated North Macedonian attempts to join the EU and NATO: Greece is a member of both and has veto power over other countries joining.

It also exposed old rivalries with Russia, in a region where Moscow competes for influence with NATO and the EU. Moscow had taken a dim view of the name accord, and of Macedonian membership in NATO. It says the alliance is undermining security in the region by taking in Balkan members.

The accord over the name angered many Greeks who believed the ex-Yugoslav state was hijacking their history with a name linked to the Greek heritage of Alexander the Great, King of Macedon. Greece has a northern province called Macedonia.

One…