Finnish coastal defence ship Ilmarinen was created on
1934-04-17.
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Finnish coastal defence ship Väinämöinen was created on
1932-12-28.
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Eritrean Defence Forces was created in 1991.
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* International Day of Innocent Children Victims of Aggression *
Flag Day of the Finnish Defence forces * Emancipation Day in Tonga
(similar to Independence Day/National Day)
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Russian Aerospace Defence Forces was created in 2011.