diff --git a/src/NodaTimeSplitter.php b/src/NodaTimeSplitter.php
index 6077436..dfdae6c 100644
--- a/src/NodaTimeSplitter.php
+++ b/src/NodaTimeSplitter.php
@@ -536,6 +536,18 @@ final class NodaTimeSplitter {
                 unset($start, $month);
             }
         }
+        // Intl': 2020-12
+        if (preg_match("/^[0-9][0-9][0-9][0-9]\-[0-9][0-9]$/", $datum)) { // German Y-m
+            $start = substr($datum, 0, 4);
+            $month = substr($datum, 5, 2);
+            if (intval($month) < 13) {
+                return [$start, $start, $month, "00", "+", ""];
+            }
+            else {
+                unset($start, $month);
+            }
+        }
+
         // German MM.JJJJ
         if (preg_match("/^[0-9][0-9]\.[0-9][0-9][0-9][0-9]$/", $datum)) { // German Y-m
             $start = substr($datum, 3, 4);
diff --git a/tests/NodaTimeSplitterTest.php b/tests/NodaTimeSplitterTest.php
index 9f41666..c0e4490 100644
--- a/tests/NodaTimeSplitterTest.php
+++ b/tests/NodaTimeSplitterTest.php
@@ -144,6 +144,19 @@ final class NodaTimeSplitterTest extends TestCase {
         self::assertEquals(NodaTimeSplitter::timePartsToTimeName($output), "Januar 2020");
         self::assertEquals(NodaTimeSplitter::timePartsToCountingYear($output), 2020);
 
+        // Intl' month: 2020-01
+        $output = NodaTimeSplitter::attempt_splitting("2020-01");
+        self::assertEquals($output, [
+            0 => "2020",
+            1 => "2020",
+            2 => "01",
+            3 => "00",
+            4 => "+",
+            5 => "",
+        ]);
+        self::assertEquals(NodaTimeSplitter::timePartsToTimeName($output), "Januar 2020");
+        self::assertEquals(NodaTimeSplitter::timePartsToCountingYear($output), 2020);
+
         $output = NodaTimeSplitter::attempt_splitting("Januar 2020 v. Chr.");
         self::assertEquals($output, [
             0 => "-2020",