In 1923, Frederick Stanley Mockford of London established this universal distress signal.
The post Daily Quiz for December 30, 2017 appeared first on HistoryNet.
kumpulan berbagai informasi sejarah / riwayat dan peristiwa penting lainnya dalam sejarah manusia
In 1923, Frederick Stanley Mockford of London established this universal distress signal.
The post Daily Quiz for December 30, 2017 appeared first on HistoryNet.
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