Nov. 21--British hospital ship Britannic sunk by mine in Aegean sea.

Nov. 23--Roumanian army retreats ninety miles from Bucharest. Nov.

24--German-Bulgarian armies take Orsova and Turnu-Severin from Roumanians. Nov. 25--Greek provisional government declares war on Germany and Bulgaria. Nov. 28--Roumanian government abandons Bucharest and moves capital to Ja.s.sy.

December 5--Premier Herbert Asquith of England resigns. Dec. 7--David Lloyd George accepts British premiership. Dec. 8--Gen. von Mackensen captures big Roumanian army in Prohova valley. Dec. 12--Chancellor von Bethman-Hollweg announces in reichstag that Germany will propose peace; new cabinet in France under Aristide Briand as premier, and Gen. Robert Georges Nivelle given chief of command of French army. Dec. 15--French at Verdun win two miles of front and capture 11,000.

December 19--Llloyd George declines German peace proposals. Dec.

23--Baron Burian succeeded as minister of foreign affairs in Austria by Count Czernin. Dec. 26--Germany proposes to President Wilson "an immediate meeting of delegates of the belligerents." Dec. 27--Russians defeated in five-day battle in eastern Wallachia, Roumauia.

January 1--Submarine sinks British transport Ivernia. Jan. 9--Russian premier, Trepoff, resigns. Golitzin succeeds him. Jan. 31--Germany announces unrestricted submarine warfare.

February 3--President Wilson reviews submarine controversy before congress; United States severs diplomatic relations with Germany; American steamer Housatonic sunk without warning. Feb. 7--Senate indorses President's act of breaking off diplomatic relations. Feb.

12--United States refuses German request to discuss matters of difference unless Germany withdraws unrestricted submarine warfare order.

February 14--Von Bernstorff sails for Germany. Feb. 25--British under Gen. Maude capture Kut-el-Amara; submarine sinks liner Laconia without warning; many lost including two Americans. Feb. 26--President Wilson asks congress for authority to arm American merchantships. Feb.

28--Secretary Lansing makes public Zimmerman note to Mexico, proposing Mexican-j.a.panese-German alliance.

March 9--President Wilson calls extra session of congress for April 16.

March 11--British under Gen. Maude capture Bagdad; revolution starts in Petrograd. March 15--Czar Nicholas of Russia abdicates. March 17--French and British capture Bapaume. March 18--New French ministry formed by Alexander Ribot.

March 21--Russian forces cross Persian border into Turkish territory; American oil steamer Healdton torpedoed without warning. March 22---United States recognizes new government of Russia. March 27--Gen.

Murray's British expedition into the Holy Land defeats Turkish army near Gaza.

April 2--President Wilson asks congress to declare that acts of Germany const.i.tute a state of war; submarine sinks American steamer Aztec without warning. April 4--United States senate pa.s.ses resolution declaring a state of war exists with Germany. April 6--House pa.s.ses war resolution and President Wilson signs joint resolution of congress.

April 8--Austria declares severance of diplomatic relations with United States.

April 9--British defeat Germans at Vimy Ridge and take 6,000 prisoners; United States seizes fourteen Austrian interned ships. April 20--Turkey severs diplomatic relations with the U.S. April 28--Congress pa.s.ses selective service act for raising of army of 500,000; Guatemala severs diplomatic relations with Germany.

May 7--War department orders raising of nine volunteer regiments of engineers to go to France. May 14--Espionage act becomes law by pa.s.sing senate. May 18--President Wilson signs selective service act. Also directs expeditionary force of regulars under Gen. Pershing to go to France. May 19--Congress pa.s.ses war appropriation bill of $3,000,000,000.

June 5--Nearly 10,000,000 men in U. S. register for military service.

June 12--King Constantino of Greece abdicates. June 13--Gen. Pershing and staff arrive in Paris. June 15--First Liberty loan closes with large over-subscription. June 26--First contingent American troops under Gen.

Sibert arrives in France. June 29--Greece severs diplomatic relations with Teutonic allies.

July 9--President Wilson drafts state militia into federal service. Also places food and fuel under federal control. July 13--War department order drafts 678,000 men into military service. July 14--Aircraft appropriation bill of $640,000,000 pa.s.ses house; Chancellor von Bethmann-Hollweg's resignation forced by German political crisis.

July 18--United States government orders censorship of telegrams and cablegrams crossing frontiers. July 19--New German Chancellor Michaelis declares Germany will not war for conquest; radicals and Catholic party ask peace without forced acquisitions of territory. July 22--Siam declares war on Germany. July 23--Premier Kerensky given unlimited powers in Russia. July 28--United States war industries board created to supervise expenditures.

August 25--Italian Second army breaks through Austrian line on Isonzo front. Aug. 28--President Wilson rejects Pope Benedict's peace plea.

September 10--Gen. Korniloff demands control of Russian government.

Sept. 11--Russian deputies vote to support Kerensky. Korniloff's generals ordered arrested. Sept. 16--Russia proclaims new republic by order of Premier Kerensky. Sept. 20--Gen. Haig advances mile through German lines at Ypres. Sept. 21--Gen. Tasker H. Bliss named chief of staff, U.S. army.

October 16--Germans occupy islands of Runo and Adro in the Gulf of Riga.

Oct. 25--French under Gen. Petain advance and take 12,000 prisoners on Aisne front. Oct. 27--Formal announcement made that American troops in France had fired their first shots in the war. Oct. 29--Italian Isonzo front collapses and Austro-German army reaches outposts of Udine.

November 1--Secretary Lansing makes public the Luxburg "spurlos versenkt" note. Nov. 7--Austro-German troops capture? Nov. 9--Permanent interallied military commission created. Nov. 24--Navy department announces capture of first German submarine by American destroyer. Nov.

28--Bolsheviki get absolute control of Russian a.s.sembly in Russian elections.

December 6--Submarine sinks the Jacob Jones, first regular warship of American navy destroyed. Dec. 7--Congress declares war on Austria-Hungary. Dec. 8--Jerusalem surrenders to Gen. Allenby's forces.

January 5--President Wilson delivers speech to congress giving "fourteen points" necessary to peace. Jan. 20--British monitors win seafight with cruisers Goeben and Breslau, sinking latter. Jan. 28--Russia and Roumania sever diplomatic relations.

February 2--United States troops take over their first sector, near Toul. Feb. 6--United States troopship Tuscania sunk by submarine, lost. Feb. 11--President Wilson, in address to congress, gives four additional peace principles, including self-determination of nations; Bolsheviki declare war with Germany over, but refuse to sign peace treaty. Feb. 13--Bolo Pasha sentenced to death in France for treason.

Feb. 25--Germans take Reval, Russian naval base, and Pskov; Chancellor von Hertling agrees "in principle" with President Wilson's peace principles, in address to reichstag.

March 1--Americans repulse German attack on Toul sector. March 2--Treaty of peace with Germany signed by Bolsheviki at Brest-Litovsk. March 4--Germany and Roumania sign armistice on German terms. March 13--German troops occupy Odessa. March 14--All Russian congress of soviets ratifies peace treaty. March 21--German spring offensive starts on fifty mile front. March 22--Germans take 16,000 British prisoners and 200 guns.

March 23--German drive gains nine miles. "Mystery gun" sh.e.l.ls Paris.

March 24--Germans reach the Somme, gaining fifteen miles. American engineers rushed to aid British. March 25--Germans take Bapaume. March 27--Germans take Albert. March 28--British counter attack and gain; French take three towns; Germans advance toward Amiens. March 29--"Mystery gun" kills seventy-five churchgoers in Paris on Good Friday.

April 4--Germans start second phase of their spring drive on the Somme.

April 10--Germans take 10,000 British prisoners in Flanders. April 16--Germans capture Messines ridge, near Ypres; Bolo Pasha executed.

April 23--British and French navies "bottle up" Zeebrugge. April 26--Germans capture Mount Kemmel, taking 6,500 prisoners.

May 5--Austria starts drive on Italy. May 10--British navy bottles up Ostend. May 24--British ship Moldavia, carrying American troops, torpedoed; 56 lost. May 27--Germans begin third phase of drive on west front; gain five miles. May 28--Germans take 15,000 prisoners in drive.

May 29--Germans take Soissons and menace Reims. American troops capture Cantigny. May 30--Germans reach the Marne, fifty-five miles from Paris.

May 31--Germans take 45,000 prisoners in drive.

June 1--Germans advance nine miles; are forty-six miles from Paris. June 3--Five German submarines attack the coast and sink eleven ships.

June 5--U. S. marines fight on the Marne near Chateau Thierry. June 9--Germans start fourth phase of their drive by advancing toward Noyon.

June 10--Germans gain two miles. U. S. marines capture south end of Belleau wood.

June 12--French and Americans start counter attack. June 15--Austrians begin another drive on Italy and take 16,000 prisoners. June 17--Italians check Austrians on Piave river. June 19--Austrians cross the Piave, June 22--Italians defeat Austrians on the Piave. June 23--Austrians begin great retreat across the Piave.

July 18---Gen. Foch launches allied offensive, with French, American, British, Italian and Belgian troops. July 21--Americans and French capture Chateau Thierry. July 30--German crown prince flees from the Marne and withdraws army.

August 2--Soissons recaptured by Foch. Aug. 4--Americans take Fismes.

Aug. 5--American troops landed at Archangel. Aug. 7--Americans cross the Yesle. Aug. 16--Bapaume recaptured. Aug. 28--French recross the Somme.

September 1--Foch retakes Peronne. Sept. 12--Americans launch successful attack in St. Mihiel salient. Sept. 28--Allies win on 250 mile line, from North sea to Verdun. Sept, 29--Allies cross Hindenburg line. Sept.

30--Bulgaria surrenders, after successful allied campaign in Balkans.

October 1--French take St. Quentin. Oct. 4--Austria asks Holland to mediate with allies for peace. Oct. 5--Germans start abandonment of Lille and from Douai. Oct. 6--Germany asks President Wilson for armistice. Oct. 7--Americans capture hills around Argonne. Oct.

8--President Wilson refuses armistice. Oct. 9--Allies capture Cambrai.

Oct. 10--Allies capture Le Gateau. Oct. 11--American transport Otranto torpedoed and sunk; 500 lost. Oct. 13--Foch's troops take Laon and La Fere.

October 14:--British and Belgians take Koulers; President Wilson demands surrender by Germany. Oct. 15--British and Belgians cross Lys river, take 12,000 prisoners and 100 guns. Oct. 16--Allies enter Lille outskirts. Oct. 17--Allies capture Lille, Bruges, Zeebrugge, Ostend, and Douai. Oct. 18--Czecho-slovaks issue declaration of independence; Czechs rebel and seize Prague, captial of Bohemia; French take Thielt.

October 19--President Wilson refuses Austrian peace plea and says Czecho-slovak state must be considered. Oct. 21--Allies cross the Oise and threaten Valenciennes. Oct. 22--Haig's forces cross the Scheldt.

Oct. 23--President Wilson refuses latest German peace plea. Oct.

27--German government asks President Wilson to state terms. Oct.

28--Austria begs for separate peace.

October 29--Austria opens direct negotiations with Secretary Lansing.

Oct. 30--Italians inflict great defeat on Austria; capture 33, Austrians evacuating Italian territory. Oct. 31--Turkey surrenders; Austrians utterly routed by Italians; lose 50,000; Austrian envoys, under white flag, enter Italian lines.