Weekly Shonen Jump #216

When was Weekly Shōnen Jump #216 published?

Weekly Shōnen Jump #216 has a cover date of April 10, 1973 (it went on sale earlier, on March 20, 1973), published by Shueisha in Japan.

Which manga series were featured in Weekly Shōnen Jump #216?

Weekly Shōnen Jump #216 (cover-dated April 10, 1973) featured Captain, among other ongoing serializations.