2403

2401 ← 2403 → 2406

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Previous: 2400 • 2401

Next: 2406 • 2410

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Century
25th century

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Years in the 2400s
2400 • 2401 • 2402 • 2403 • 2404
2405 • 2406 • 2407 • 2408 • 2409

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For a complete list, see our timeline category.

2403 was a year in the 2400s in the 25th century.

Events

Unknown

• The HRUNTING/YGGDRASIL Mark IX Mantis enters service with the United Nations Space Command.