diff --git a/seminar/migrations/0056_vrcholy_pro_rocniky_a_cisla.py b/seminar/migrations/0056_vrcholy_pro_rocniky_a_cisla.py
new file mode 100644
index 00000000..6e638980
--- /dev/null
+++ b/seminar/migrations/0056_vrcholy_pro_rocniky_a_cisla.py
@@ -0,0 +1,44 @@
+# -*- coding: utf-8 -*-
+# Generated by Django 1.11.20 on 2019-05-23 21:54
+from __future__ import unicode_literals
+
+from django.db import migrations
+
+def generuj_RocnikNody_a_CisloNody(apps,schema_editor):
+	Rocnik = apps.get_model('seminar', 'Rocnik')
+	RocnikNode = apps.get_model('seminar', 'RocnikNode')
+	Cislo = apps.get_model('seminar', 'Rocnik')
+	CisloNode = apps.get_model('seminar', 'RocnikNode')
+
+	last_rn = None		# last_* slouží k navázání následníků
+	for r in Rocnik.objects.all():
+		rn = RocnikNode.objects.create(rocnik=r)
+		rn.save()
+		rn.root = rn
+		rn.save()
+		if last_rn:
+			last_rn.succ = rn
+			last_rn.save()
+		last_rn = rn
+		
+		last_cn = None
+		for c in Cislo.objects.filter(rocnik=r):
+			cn = CisloNode.objects.create(cislo=c, root=rn)
+			cn.save()
+			if last_cn:
+				last_cn.succ = cn
+				last_cn.save()
+			last_cn = cn
+
+
+
+
+class Migration(migrations.Migration):
+
+	dependencies = [
+		('seminar', '0055_smazat_nemigrovane_zastarale_veci'),
+	]
+
+	operations = [
+		migrations.RunPython(generuj_RocnikNody_a_CisloNody),
+	]