Royal-blue field with the Union Jack in the canton and four red five-point stars (with white borders) representing the Southern Cross constellation. The Union Jack reflects New Zealand's historical ties to the United Kingdom. The Southern Cross is the most distinctive constellation visible from New Zealand. Adopted as the national flag in 1902 (originally a navy flag). New Zealanders voted to keep the flag in a 2015–16 referendum, narrowly defeating a proposed silver-fern alternative. Practise the New Zealand flag in the Flagzio Oceania flag quiz across all eight game modes.