diff --git a/Socialmetrica.package/NitterUser.class/instance/getPagesContentsFromOldestUpto..st b/Socialmetrica.package/NitterUser.class/instance/getPagesContentsFromOldestUpto..st
index 91f1d46..8e9d9f4 100644
--- a/Socialmetrica.package/NitterUser.class/instance/getPagesContentsFromOldestUpto..st
+++ b/Socialmetrica.package/NitterUser.class/instance/getPagesContentsFromOldestUpto..st
@@ -1,4 +1,4 @@
 accessing
 getPagesContentsFromOldestUpto: anInteger
 
-	^ self getPagesContentsFrom: ((self messages oldest metadata select: [ :item | item isString and: [ item beginsWith: 'https://' ]]) values first) Upto: anInteger
\ No newline at end of file
+	^ self getPagesContentsFrom: ((self oldestTweet metadata select: [ :item | item isString and: [ item beginsWith: 'https://' ]]) values first) Upto: anInteger
\ No newline at end of file
diff --git a/Socialmetrica.package/NitterUser.class/instance/oldestTweet.st b/Socialmetrica.package/NitterUser.class/instance/oldestTweet.st
new file mode 100644
index 0000000..b97379a
--- /dev/null
+++ b/Socialmetrica.package/NitterUser.class/instance/oldestTweet.st
@@ -0,0 +1,4 @@
+accessing
+oldestTweet
+
+	^ self messages oldestOf: self id
\ No newline at end of file
diff --git a/Socialmetrica.package/TweetsCollection.class/instance/oldest.st b/Socialmetrica.package/TweetsCollection.class/instance/oldest.st
index 058b73f..7e56079 100644
--- a/Socialmetrica.package/TweetsCollection.class/instance/oldest.st
+++ b/Socialmetrica.package/TweetsCollection.class/instance/oldest.st
@@ -2,4 +2,4 @@ accessing
 oldest
 	self messages ifNil: [ ^ nil ].
 	self messages ifEmpty: [ ^ nil ].
-	^ self last
\ No newline at end of file
+	^ (self select:[ :tweet | tweet created = ((self collect: [ :each | each created ]) asSortedCollection first)]) first
\ No newline at end of file
diff --git a/Socialmetrica.package/TweetsCollection.class/instance/oldestOf..st b/Socialmetrica.package/TweetsCollection.class/instance/oldestOf..st
new file mode 100644
index 0000000..f03757f
--- /dev/null
+++ b/Socialmetrica.package/TweetsCollection.class/instance/oldestOf..st
@@ -0,0 +1,7 @@
+accessing
+oldestOf: userId
+
+	self messages ifNil: [ ^ nil ].
+	self messages ifEmpty: [ ^ nil ].
+	^ ((self select: [ :tweet | tweet authorId = userId ])
+	 	select: [ :tweet | tweet created = (((self select: [ :each | each authorId = userId ]) collect: [ :each | each created ]) asSortedCollection first)]) first
\ No newline at end of file