After three months of travel restrictions, borders in many parts of Europe are open again, allowing … In 1965, Indonesia became the only nation to ever withdraw membership from the United Nations, but they rejoined a year later.After three months of travel restrictions, borders in many parts of Europe are open again, allowing … In 1965, Indonesia became the only nation to ever withdraw membership from the United Nations, but they rejoined a year later.<img src="" title="Swiss government issues advice on travelling abroad as borders reopen” />