Zhukov, now a lieutenant-general, is assigned to the First Soviet Mongolian Army Group in July. After being given command of the group he prepares to take on the Japanese. The conflict climaxes at the Battle of Khalkin-Gol, beginning on 20 August.
If you have a normal 28 day cycle, you are most likely to become pregnant when you have unprotected intercourse approximately 2 weeks before you anticipate your period to start.
So if your partner's penis was in your vagina, some sperm could have found its way into your uterus. Most women with a regular 28-day cycle ovulate in the middle of their cycle, most months. So it's uncommon to get pregnant from sex on the days just before, during, and after your period, but it's possible.