This Day In History
September 28, 1962: Canada launches its first space satellite, the Alouette 1.
Canada, Scott Nr 445 (1966) because there is no stamp for Alouette 1.

Canada, Scott Nr 445 (1966) because there is no stamp for Alouette 1.

Comments
Guernsey, Scott Nr 356-61 (1987)
Greece, Scott Nr 402 (1937)
France, Scott Nr 1640 (1979)
Chad, Scott Nr 233a (1971) depicting King Charles IX.
Croatia, Scott Nr 360 (1998) depicting the loser, Field Marshal Baron Josip Jelačić, Commander of the Croatian Military Frontier.
Will you continue?
Would you permit others of us to post stamps of countries from their particular specialties that correspond to commemorations of certain historical events?
Spain, Scott Nr 2325 (1983)
Botswana, Scott Nr 18 (1966).
Great Britain, Scott Nr 2549 (2008)
Greece, Scott Nr 578 (1955)
USA, Scott Nr E1 (1885)
USA, Scott Nr 1286A (1968)
Canada, Scott Nr 1324 (1991)
USA, Scott Nr 3507 (2001)
USA, Scott #3746 (2003)
Yugoslavia, Scott Nr 89 (1933)
Ethiopia, Scott Nr N3 (1936)
Germany, Scott Nr 1612, 1613 (1990)
USA, Scott Nr 4916 (2014)
Great Britain, Scott Nr 2238-43 (2004)
Vatican, Scott Nr 715-717 (1982)
Poland, Scott Nr 3001 (1990)