Misc: The word "struthious" refers to something that resembles or is related to ______?

Questions

In 1666 Great Fire of London starts; destroys ---------- Church?

In 1752 Last day of ---------- calendar in Britain, British colonies?

In 1804 K L Harding discovers---------- , third known asteroid?

In 1898 Lord Kitchener retakes Sudan for----------?

In 1936 First ---------- round-trip air flight?