▁at ▁the ▁German ▁Wikipedia , ▁whose ▁sources ▁include ▁A DB : ▁Ch el ius , ▁Maxim ilian ▁Joseph ▁von ▁@ ▁All geme ine ▁Deutsche ▁Biographie . ▁ ▁S urg ical ▁Prof ess ors ▁at ▁the ▁University ▁of ▁Heidel berg ▁ ▁External ▁links ▁▁▁ ▁Category : G erman ▁o ph th alm olog ists ▁Category : 1 7 9 4 ▁birth s ▁Category : 1 8 7 6 ▁death s ▁Category : G erman ▁sur ge ons ▁Category : He idel berg ▁University ▁fac ulty ▁Category : Pe ople ▁from ▁Mann heim ▁Category : 1 9 th - century ▁German ▁phys icians <0x0A> </s> ▁The ▁qual ification ▁for ▁the ▁ 2 0 2 0 ▁Men ' s ▁Olympic ▁water ▁pol o ▁tournament ▁allocated ▁twelve ▁teams ▁qu ota ▁sp ots : ▁the ▁hosts , ▁the ▁top ▁team ▁in ▁the ▁World ▁League , ▁the ▁top ▁two ▁teams ▁in ▁the ▁World ▁Championships , ▁five ▁contin ental ▁Olympic ▁qual ification ▁tournament ▁champions , ▁and ▁the ▁three ▁top ▁teams ▁at ▁an ▁Olympic ▁qual ifying ▁tournament . ▁ ▁Qual ification ▁summary ▁{ | ▁class =" wik itable " ▁! Qual ification !! Date !! Host !! Ber th s !! Qual ified ▁| - ▁| ▁Host ▁nation ▁|| ▁– ▁|| ▁– ▁|| ▁align =" center " | ▁ 1 || ▁| - ▁| ▁ 2 0 1 9 ▁F IN A ▁World ▁League ▁|| ▁ 1 8 – 2 3 ▁June ▁ 2 0 1 9 ▁|| ▁ ▁Bel grade ▁|| ▁align =" center " | 1 ▁|| ▁ ▁|