Venus is at its brightest in April

The video explains Venus's visibility patterns, highlighting its brightness as the Evening Star and its transition to the Morning Star. Venus is the brightest planet due to its proximity to Earth and reflective clouds. It reaches its greatest eastern elongation on March 24th and greatest brilliancy on April 28th. Venus becomes invisible in early June as it passes between Earth and the Sun, reappearing as the Morning Star in mid-June. It reaches its greatest western elongation on August 13th.

Describe the appearance of Venus when it reaches its greatest brilliancy as an evening star.

What is the significance of August 13 for Venus?