I had just written the letter when he came back.

Source: Tatoeba

Thankfully, there was an Armani store just outside the alley where Dima had slept.

Source: Tatoeba

When the bomb exploded, I happened to be there.

Source: Tatoeba

Kansas is smack dab in the middle of the US.

Source: Tatoeba

It happened that we were in London.

Source: Tatoeba

It happened that I was free last Sunday.

Source: Tatoeba

It so happened that they were not there.

Source: Tatoeba