拉萨法诤 (拉薩法諍) lāsà fǎ zhèng

lāsà fǎ zhèng proper noun Council of Lhasa
Domain: Buddhism 佛教
Notes: Historic debate between 792 and 794 between 蓮華戒 Kamalaśīla and 摩訶衍 Moheyan (FGDB '吐蕃僧諍記'; Wikipedia '拉萨法诤')