80cm Schwerer Gustav Shell, Daniel Perez Sutil

In WWI & WWII, the 37mm was popular and the caliber was used by all sides with various versions including direct fire guns as well as light howitzer artillery types. How was

Was the 'M9 Elevation Quadrant' used on a 105mm field cannon in WWII? - Quora

What is the most powerful field cannon of WW2? - Quora

With the amount of artillery shells fired by both sides during both World Wars, were there any instances where the shells collided in the air? - Quora

What kind of artillery in the world wars used fixed ammunition, what type semi-fixed and what type separated? - Quora

What is the largest heavy artillery piece/gun ever used during a war thus far? - Quora

World War II Weapons That Didn't Work - 24/7 Wall St.

In size and range, how did the biggest naval cannon of WWII compare to the biggest land-based cannon of WWII? - Quora

How useful was captured artillery during World War I or II given that most countries had differently sized shells? - Quora

How did artillery kill people during World War I? Did shells land inside the trenches? - Quora