He is interested in toponymy.

I will hold my birthday party on the twenty-seventh day of the month.

The thirteenth day is my birthday.

They launched a surface-to-air missile.

He is always a ragequitter in games.

We celebrate our wedding anniversary on the twenty-sixth day of the month.

The thirty-first day is my birthday.

We celebrate our wedding anniversary on the twenty-fifth day of the month.

Please refrain from going out because community-acquired infections are spreading rapidly.

He is fulfilling his duties as a military general.